Home / 2,488.20-3,726.90-2,214.60

Finding the Fourth Proportional to 2,488.20, 3,726.90 and 2,214.60

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Solution

The fourth proportional to 2,488.20, 3,726.90 and 2,214.60 is: 3,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.20 : 3,726.90 = 2,214.60 : x
  2. Step 2: Convert to fraction form
    2,488.20/3,726.90 = 2,214.60/x
  3. Step 3: Cross multiply
    2,488.20x = 3,726.90 × 2,214.60
  4. Step 4: Simplify right side
    2,488.20x = 8,253,592.74
  5. Step 5: Solve for x
    x = 8,253,592.74/2,488.20
  6. Step 6: Final answer
    x = 3,317.09

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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.