Home / 3,545.38-4,892.62-1,973.84

Finding the Fourth Proportional to 3,545.38, 4,892.62 and 1,973.84

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Solution

The fourth proportional to 3,545.38, 4,892.62 and 1,973.84 is: 2,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.38 : 4,892.62 = 1,973.84 : x
  2. Step 2: Convert to fraction form
    3,545.38/4,892.62 = 1,973.84/x
  3. Step 3: Cross multiply
    3,545.38x = 4,892.62 × 1,973.84
  4. Step 4: Simplify right side
    3,545.38x = 9,657,249.06
  5. Step 5: Solve for x
    x = 9,657,249.06/3,545.38
  6. Step 6: Final answer
    x = 2,723.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.