Home / 3,545.05-4,890.02-2,217.66

Finding the Fourth Proportional to 3,545.05, 4,890.02 and 2,217.66

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Solution

The fourth proportional to 3,545.05, 4,890.02 and 2,217.66 is: 3,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.05 : 4,890.02 = 2,217.66 : x
  2. Step 2: Convert to fraction form
    3,545.05/4,890.02 = 2,217.66/x
  3. Step 3: Cross multiply
    3,545.05x = 4,890.02 × 2,217.66
  4. Step 4: Simplify right side
    3,545.05x = 10,844,390.66
  5. Step 5: Solve for x
    x = 10,844,390.66/3,545.05
  6. Step 6: Final answer
    x = 3,059.03

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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.