Home / 1,502.22-2,253.30-635.94

Finding the Fourth Proportional to 1,502.22, 2,253.30 and 635.94

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Solution

The fourth proportional to 1,502.22, 2,253.30 and 635.94 is: 953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.22 : 2,253.30 = 635.94 : x
  2. Step 2: Convert to fraction form
    1,502.22/2,253.30 = 635.94/x
  3. Step 3: Cross multiply
    1,502.22x = 2,253.30 × 635.94
  4. Step 4: Simplify right side
    1,502.22x = 1,432,963.60
  5. Step 5: Solve for x
    x = 1,432,963.60/1,502.22
  6. Step 6: Final answer
    x = 953.90

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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.