Home / 3,545.23-5,318.43-1,079.49

Finding the Fourth Proportional to 3,545.23, 5,318.43 and 1,079.49

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Solution

The fourth proportional to 3,545.23, 5,318.43 and 1,079.49 is: 1,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.23 : 5,318.43 = 1,079.49 : x
  2. Step 2: Convert to fraction form
    3,545.23/5,318.43 = 1,079.49/x
  3. Step 3: Cross multiply
    3,545.23x = 5,318.43 × 1,079.49
  4. Step 4: Simplify right side
    3,545.23x = 5,741,192.00
  5. Step 5: Solve for x
    x = 5,741,192.00/3,545.23
  6. Step 6: Final answer
    x = 1,619.41

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1.5x scale

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.