Home / 1,022.90-1,534.55-373.61

Finding the Fourth Proportional to 1,022.90, 1,534.55 and 373.61

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Solution

The fourth proportional to 1,022.90, 1,534.55 and 373.61 is: 560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.90 : 1,534.55 = 373.61 : x
  2. Step 2: Convert to fraction form
    1,022.90/1,534.55 = 373.61/x
  3. Step 3: Cross multiply
    1,022.90x = 1,534.55 × 373.61
  4. Step 4: Simplify right side
    1,022.90x = 573,325.19
  5. Step 5: Solve for x
    x = 573,325.19/1,022.90
  6. Step 6: Final answer
    x = 560.49

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Double scale
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1.5x scale

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.