Home / 1,150.14-1,587.20-626.17

Finding the Fourth Proportional to 1,150.14, 1,587.20 and 626.17

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Solution

The fourth proportional to 1,150.14, 1,587.20 and 626.17 is: 864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.14 : 1,587.20 = 626.17 : x
  2. Step 2: Convert to fraction form
    1,150.14/1,587.20 = 626.17/x
  3. Step 3: Cross multiply
    1,150.14x = 1,587.20 × 626.17
  4. Step 4: Simplify right side
    1,150.14x = 993,850.67
  5. Step 5: Solve for x
    x = 993,850.67/1,150.14
  6. Step 6: Final answer
    x = 864.12

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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.