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Finding the Fourth Proportional to 3,695.52, 5,543.28 and 1,503.66

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Solution

The fourth proportional to 3,695.52, 5,543.28 and 1,503.66 is: 2,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.52 : 5,543.28 = 1,503.66 : x
  2. Step 2: Convert to fraction form
    3,695.52/5,543.28 = 1,503.66/x
  3. Step 3: Cross multiply
    3,695.52x = 5,543.28 × 1,503.66
  4. Step 4: Simplify right side
    3,695.52x = 8,335,208.40
  5. Step 5: Solve for x
    x = 8,335,208.40/3,695.52
  6. Step 6: Final answer
    x = 2,255.49

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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.