Home / 3,545.67-5,316.96-1,079.91

Finding the Fourth Proportional to 3,545.67, 5,316.96 and 1,079.91

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Solution

The fourth proportional to 3,545.67, 5,316.96 and 1,079.91 is: 1,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.67 : 5,316.96 = 1,079.91 : x
  2. Step 2: Convert to fraction form
    3,545.67/5,316.96 = 1,079.91/x
  3. Step 3: Cross multiply
    3,545.67x = 5,316.96 × 1,079.91
  4. Step 4: Simplify right side
    3,545.67x = 5,741,838.27
  5. Step 5: Solve for x
    x = 5,741,838.27/3,545.67
  6. Step 6: Final answer
    x = 1,619.39

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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.