Home / 3,545.17-5,309.67-1,697.60

Finding the Fourth Proportional to 3,545.17, 5,309.67 and 1,697.60

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Solution

The fourth proportional to 3,545.17, 5,309.67 and 1,697.60 is: 2,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.17 : 5,309.67 = 1,697.60 : x
  2. Step 2: Convert to fraction form
    3,545.17/5,309.67 = 1,697.60/x
  3. Step 3: Cross multiply
    3,545.17x = 5,309.67 × 1,697.60
  4. Step 4: Simplify right side
    3,545.17x = 9,013,685.57
  5. Step 5: Solve for x
    x = 9,013,685.57/3,545.17
  6. Step 6: Final answer
    x = 2,542.52

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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.