Home / 2,460.87-3,693.39-1,227.90

Finding the Fourth Proportional to 2,460.87, 3,693.39 and 1,227.90

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Solution

The fourth proportional to 2,460.87, 3,693.39 and 1,227.90 is: 1,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.87 : 3,693.39 = 1,227.90 : x
  2. Step 2: Convert to fraction form
    2,460.87/3,693.39 = 1,227.90/x
  3. Step 3: Cross multiply
    2,460.87x = 3,693.39 × 1,227.90
  4. Step 4: Simplify right side
    2,460.87x = 4,535,113.58
  5. Step 5: Solve for x
    x = 4,535,113.58/2,460.87
  6. Step 6: Final answer
    x = 1,842.89

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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.