Home / 3,545.40-5,318.10-1,236.36

Finding the Fourth Proportional to 3,545.40, 5,318.10 and 1,236.36

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Solution

The fourth proportional to 3,545.40, 5,318.10 and 1,236.36 is: 1,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.40 : 5,318.10 = 1,236.36 : x
  2. Step 2: Convert to fraction form
    3,545.40/5,318.10 = 1,236.36/x
  3. Step 3: Cross multiply
    3,545.40x = 5,318.10 × 1,236.36
  4. Step 4: Simplify right side
    3,545.40x = 6,575,086.12
  5. Step 5: Solve for x
    x = 6,575,086.12/3,545.40
  6. Step 6: Final answer
    x = 1,854.54

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Similar ratio
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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.