Home / 1,025.10-1,414.18-632.35

Finding the Fourth Proportional to 1,025.10, 1,414.18 and 632.35

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Solution

The fourth proportional to 1,025.10, 1,414.18 and 632.35 is: 872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.10 : 1,414.18 = 632.35 : x
  2. Step 2: Convert to fraction form
    1,025.10/1,414.18 = 632.35/x
  3. Step 3: Cross multiply
    1,025.10x = 1,414.18 × 632.35
  4. Step 4: Simplify right side
    1,025.10x = 894,251.61
  5. Step 5: Solve for x
    x = 894,251.61/1,025.10
  6. Step 6: Final answer
    x = 872.36

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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.