Home / 1,508.16-2,262.72-738.24

Finding the Fourth Proportional to 1,508.16, 2,262.72 and 738.24

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Solution

The fourth proportional to 1,508.16, 2,262.72 and 738.24 is: 1,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.16 : 2,262.72 = 738.24 : x
  2. Step 2: Convert to fraction form
    1,508.16/2,262.72 = 738.24/x
  3. Step 3: Cross multiply
    1,508.16x = 2,262.72 × 738.24
  4. Step 4: Simplify right side
    1,508.16x = 1,670,430.41
  5. Step 5: Solve for x
    x = 1,670,430.41/1,508.16
  6. Step 6: Final answer
    x = 1,107.59

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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.