Home / 1,024.16-1,531.56-632.96

Finding the Fourth Proportional to 1,024.16, 1,531.56 and 632.96

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Solution

The fourth proportional to 1,024.16, 1,531.56 and 632.96 is: 946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.16 : 1,531.56 = 632.96 : x
  2. Step 2: Convert to fraction form
    1,024.16/1,531.56 = 632.96/x
  3. Step 3: Cross multiply
    1,024.16x = 1,531.56 × 632.96
  4. Step 4: Simplify right side
    1,024.16x = 969,416.22
  5. Step 5: Solve for x
    x = 969,416.22/1,024.16
  6. Step 6: Final answer
    x = 946.55

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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.