Home / 3,545.85-5,318.09-1,354.06

Finding the Fourth Proportional to 3,545.85, 5,318.09 and 1,354.06

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Solution

The fourth proportional to 3,545.85, 5,318.09 and 1,354.06 is: 2,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.85 : 5,318.09 = 1,354.06 : x
  2. Step 2: Convert to fraction form
    3,545.85/5,318.09 = 1,354.06/x
  3. Step 3: Cross multiply
    3,545.85x = 5,318.09 × 1,354.06
  4. Step 4: Simplify right side
    3,545.85x = 7,200,979.58
  5. Step 5: Solve for x
    x = 7,200,979.58/3,545.85
  6. Step 6: Final answer
    x = 2,030.82

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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.