Home / 1,022.16-1,531.80-588.42

Finding the Fourth Proportional to 1,022.16, 1,531.80 and 588.42

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Solution

The fourth proportional to 1,022.16, 1,531.80 and 588.42 is: 881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.16 : 1,531.80 = 588.42 : x
  2. Step 2: Convert to fraction form
    1,022.16/1,531.80 = 588.42/x
  3. Step 3: Cross multiply
    1,022.16x = 1,531.80 × 588.42
  4. Step 4: Simplify right side
    1,022.16x = 901,341.76
  5. Step 5: Solve for x
    x = 901,341.76/1,022.16
  6. Step 6: Final answer
    x = 881.80

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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.