Home / 3,545.07-4,894.14-3,171.15

Finding the Fourth Proportional to 3,545.07, 4,894.14 and 3,171.15

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Solution

The fourth proportional to 3,545.07, 4,894.14 and 3,171.15 is: 4,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.07 : 4,894.14 = 3,171.15 : x
  2. Step 2: Convert to fraction form
    3,545.07/4,894.14 = 3,171.15/x
  3. Step 3: Cross multiply
    3,545.07x = 4,894.14 × 3,171.15
  4. Step 4: Simplify right side
    3,545.07x = 15,520,052.06
  5. Step 5: Solve for x
    x = 15,520,052.06/3,545.07
  6. Step 6: Final answer
    x = 4,377.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.