Home / 3,765.12-5,647.70-1,545.16

Finding the Fourth Proportional to 3,765.12, 5,647.70 and 1,545.16

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Solution

The fourth proportional to 3,765.12, 5,647.70 and 1,545.16 is: 2,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.12 : 5,647.70 = 1,545.16 : x
  2. Step 2: Convert to fraction form
    3,765.12/5,647.70 = 1,545.16/x
  3. Step 3: Cross multiply
    3,765.12x = 5,647.70 × 1,545.16
  4. Step 4: Simplify right side
    3,765.12x = 8,726,600.13
  5. Step 5: Solve for x
    x = 8,726,600.13/3,765.12
  6. Step 6: Final answer
    x = 2,317.75

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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.