Home / 1,502.22-2,253.36-406.56

Finding the Fourth Proportional to 1,502.22, 2,253.36 and 406.56

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Solution

The fourth proportional to 1,502.22, 2,253.36 and 406.56 is: 609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.22 : 2,253.36 = 406.56 : x
  2. Step 2: Convert to fraction form
    1,502.22/2,253.36 = 406.56/x
  3. Step 3: Cross multiply
    1,502.22x = 2,253.36 × 406.56
  4. Step 4: Simplify right side
    1,502.22x = 916,126.04
  5. Step 5: Solve for x
    x = 916,126.04/1,502.22
  6. Step 6: Final answer
    x = 609.85

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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.