Home / 2,224.59-3,070.27-1,385.43

Finding the Fourth Proportional to 2,224.59, 3,070.27 and 1,385.43

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Solution

The fourth proportional to 2,224.59, 3,070.27 and 1,385.43 is: 1,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.59 : 3,070.27 = 1,385.43 : x
  2. Step 2: Convert to fraction form
    2,224.59/3,070.27 = 1,385.43/x
  3. Step 3: Cross multiply
    2,224.59x = 3,070.27 × 1,385.43
  4. Step 4: Simplify right side
    2,224.59x = 4,253,644.17
  5. Step 5: Solve for x
    x = 4,253,644.17/2,224.59
  6. Step 6: Final answer
    x = 1,912.10

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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.