Home / 3,545.26-5,318.66-1,080.01

Finding the Fourth Proportional to 3,545.26, 5,318.66 and 1,080.01

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Solution

The fourth proportional to 3,545.26, 5,318.66 and 1,080.01 is: 1,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.26 : 5,318.66 = 1,080.01 : x
  2. Step 2: Convert to fraction form
    3,545.26/5,318.66 = 1,080.01/x
  3. Step 3: Cross multiply
    3,545.26x = 5,318.66 × 1,080.01
  4. Step 4: Simplify right side
    3,545.26x = 5,744,205.99
  5. Step 5: Solve for x
    x = 5,744,205.99/3,545.26
  6. Step 6: Final answer
    x = 1,620.25

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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.