Home / 3,545.38-5,316.42-1,352.74

Finding the Fourth Proportional to 3,545.38, 5,316.42 and 1,352.74

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Solution

The fourth proportional to 3,545.38, 5,316.42 and 1,352.74 is: 2,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.38 : 5,316.42 = 1,352.74 : x
  2. Step 2: Convert to fraction form
    3,545.38/5,316.42 = 1,352.74/x
  3. Step 3: Cross multiply
    3,545.38x = 5,316.42 × 1,352.74
  4. Step 4: Simplify right side
    3,545.38x = 7,191,733.99
  5. Step 5: Solve for x
    x = 7,191,733.99/3,545.38
  6. Step 6: Final answer
    x = 2,028.48

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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.