Home / 2,217.30-3,325.95-2,039.10

Finding the Fourth Proportional to 2,217.30, 3,325.95 and 2,039.10

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Solution

The fourth proportional to 2,217.30, 3,325.95 and 2,039.10 is: 3,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.30 : 3,325.95 = 2,039.10 : x
  2. Step 2: Convert to fraction form
    2,217.30/3,325.95 = 2,039.10/x
  3. Step 3: Cross multiply
    2,217.30x = 3,325.95 × 2,039.10
  4. Step 4: Simplify right side
    2,217.30x = 6,781,944.65
  5. Step 5: Solve for x
    x = 6,781,944.65/2,217.30
  6. Step 6: Final answer
    x = 3,058.65

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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.