Home / 3,549.22-5,319.15-1,572.49

Finding the Fourth Proportional to 3,549.22, 5,319.15 and 1,572.49

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Solution

The fourth proportional to 3,549.22, 5,319.15 and 1,572.49 is: 2,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.22 : 5,319.15 = 1,572.49 : x
  2. Step 2: Convert to fraction form
    3,549.22/5,319.15 = 1,572.49/x
  3. Step 3: Cross multiply
    3,549.22x = 5,319.15 × 1,572.49
  4. Step 4: Simplify right side
    3,549.22x = 8,364,310.94
  5. Step 5: Solve for x
    x = 8,364,310.94/3,549.22
  6. Step 6: Final answer
    x = 2,356.66

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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.