Home / 3,545.67-5,319.30-1,173.74

Finding the Fourth Proportional to 3,545.67, 5,319.30 and 1,173.74

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Solution

The fourth proportional to 3,545.67, 5,319.30 and 1,173.74 is: 1,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.67 : 5,319.30 = 1,173.74 : x
  2. Step 2: Convert to fraction form
    3,545.67/5,319.30 = 1,173.74/x
  3. Step 3: Cross multiply
    3,545.67x = 5,319.30 × 1,173.74
  4. Step 4: Simplify right side
    3,545.67x = 6,243,464.13
  5. Step 5: Solve for x
    x = 6,243,464.13/3,545.67
  6. Step 6: Final answer
    x = 1,760.87

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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.