Home / 3,645.42-5,439.68-3,252.72

Finding the Fourth Proportional to 3,645.42, 5,439.68 and 3,252.72

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Solution

The fourth proportional to 3,645.42, 5,439.68 and 3,252.72 is: 4,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.42 : 5,439.68 = 3,252.72 : x
  2. Step 2: Convert to fraction form
    3,645.42/5,439.68 = 3,252.72/x
  3. Step 3: Cross multiply
    3,645.42x = 5,439.68 × 3,252.72
  4. Step 4: Simplify right side
    3,645.42x = 17,693,758.46
  5. Step 5: Solve for x
    x = 17,693,758.46/3,645.42
  6. Step 6: Final answer
    x = 4,853.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.