Home / 3,545.83-5,319.32-1,080.07

Finding the Fourth Proportional to 3,545.83, 5,319.32 and 1,080.07

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Solution

The fourth proportional to 3,545.83, 5,319.32 and 1,080.07 is: 1,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.83 : 5,319.32 = 1,080.07 : x
  2. Step 2: Convert to fraction form
    3,545.83/5,319.32 = 1,080.07/x
  3. Step 3: Cross multiply
    3,545.83x = 5,319.32 × 1,080.07
  4. Step 4: Simplify right side
    3,545.83x = 5,745,255.25
  5. Step 5: Solve for x
    x = 5,745,255.25/3,545.83
  6. Step 6: Final answer
    x = 1,620.28

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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.