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Finding the Fourth Proportional to 3,508.26, 5,262.42 and 875.76

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Solution

The fourth proportional to 3,508.26, 5,262.42 and 875.76 is: 1,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.26 : 5,262.42 = 875.76 : x
  2. Step 2: Convert to fraction form
    3,508.26/5,262.42 = 875.76/x
  3. Step 3: Cross multiply
    3,508.26x = 5,262.42 × 875.76
  4. Step 4: Simplify right side
    3,508.26x = 4,608,616.94
  5. Step 5: Solve for x
    x = 4,608,616.94/3,508.26
  6. Step 6: Final answer
    x = 1,313.65

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1.5x scale

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.