Home / 2,048.13-2,826.28-1,208.79

Finding the Fourth Proportional to 2,048.13, 2,826.28 and 1,208.79

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Solution

The fourth proportional to 2,048.13, 2,826.28 and 1,208.79 is: 1,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.13 : 2,826.28 = 1,208.79 : x
  2. Step 2: Convert to fraction form
    2,048.13/2,826.28 = 1,208.79/x
  3. Step 3: Cross multiply
    2,048.13x = 2,826.28 × 1,208.79
  4. Step 4: Simplify right side
    2,048.13x = 3,416,372.96
  5. Step 5: Solve for x
    x = 3,416,372.96/2,048.13
  6. Step 6: Final answer
    x = 1,668.04

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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.