Home / 3,545.76-5,316.87-2,065.47

Finding the Fourth Proportional to 3,545.76, 5,316.87 and 2,065.47

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Solution

The fourth proportional to 3,545.76, 5,316.87 and 2,065.47 is: 3,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.76 : 5,316.87 = 2,065.47 : x
  2. Step 2: Convert to fraction form
    3,545.76/5,316.87 = 2,065.47/x
  3. Step 3: Cross multiply
    3,545.76x = 5,316.87 × 2,065.47
  4. Step 4: Simplify right side
    3,545.76x = 10,981,835.48
  5. Step 5: Solve for x
    x = 10,981,835.48/3,545.76
  6. Step 6: Final answer
    x = 3,097.17

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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.