Home / 2,184.76-3,014.85-1,253.26

Finding the Fourth Proportional to 2,184.76, 3,014.85 and 1,253.26

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Solution

The fourth proportional to 2,184.76, 3,014.85 and 1,253.26 is: 1,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.76 : 3,014.85 = 1,253.26 : x
  2. Step 2: Convert to fraction form
    2,184.76/3,014.85 = 1,253.26/x
  3. Step 3: Cross multiply
    2,184.76x = 3,014.85 × 1,253.26
  4. Step 4: Simplify right side
    2,184.76x = 3,778,390.91
  5. Step 5: Solve for x
    x = 3,778,390.91/2,184.76
  6. Step 6: Final answer
    x = 1,729.43

Related Problems

Find fourth proportional to 1,092.38, 1,507.43 and 626.63
Half scale
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Double scale
Find fourth proportional to 2,185.76, 3,016.23 and 1,254.26
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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.