Home / 3,545.80-5,319.06-1,356.37

Finding the Fourth Proportional to 3,545.80, 5,319.06 and 1,356.37

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Solution

The fourth proportional to 3,545.80, 5,319.06 and 1,356.37 is: 2,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.80 : 5,319.06 = 1,356.37 : x
  2. Step 2: Convert to fraction form
    3,545.80/5,319.06 = 1,356.37/x
  3. Step 3: Cross multiply
    3,545.80x = 5,319.06 × 1,356.37
  4. Step 4: Simplify right side
    3,545.80x = 7,214,613.41
  5. Step 5: Solve for x
    x = 7,214,613.41/3,545.80
  6. Step 6: Final answer
    x = 2,034.69

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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.