Home / 2,048.03-2,826.20-1,208.76

Finding the Fourth Proportional to 2,048.03, 2,826.20 and 1,208.76

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Solution

The fourth proportional to 2,048.03, 2,826.20 and 1,208.76 is: 1,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.03 : 2,826.20 = 1,208.76 : x
  2. Step 2: Convert to fraction form
    2,048.03/2,826.20 = 1,208.76/x
  3. Step 3: Cross multiply
    2,048.03x = 2,826.20 × 1,208.76
  4. Step 4: Simplify right side
    2,048.03x = 3,416,191.47
  5. Step 5: Solve for x
    x = 3,416,191.47/2,048.03
  6. Step 6: Final answer
    x = 1,668.04

Related Problems

Find fourth proportional to 1,024.01, 1,413.10 and 604.38
Half scale
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Double scale
Find fourth proportional to 2,049.03, 2,827.57 and 1,209.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.