Home / 1,088.17-1,632.54-626.11

Finding the Fourth Proportional to 1,088.17, 1,632.54 and 626.11

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Solution

The fourth proportional to 1,088.17, 1,632.54 and 626.11 is: 939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.17 : 1,632.54 = 626.11 : x
  2. Step 2: Convert to fraction form
    1,088.17/1,632.54 = 626.11/x
  3. Step 3: Cross multiply
    1,088.17x = 1,632.54 × 626.11
  4. Step 4: Simplify right side
    1,088.17x = 1,022,149.62
  5. Step 5: Solve for x
    x = 1,022,149.62/1,088.17
  6. Step 6: Final answer
    x = 939.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.