Home / 2,342.87-3,511.78-1,246.13

Finding the Fourth Proportional to 2,342.87, 3,511.78 and 1,246.13

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Solution

The fourth proportional to 2,342.87, 3,511.78 and 1,246.13 is: 1,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.87 : 3,511.78 = 1,246.13 : x
  2. Step 2: Convert to fraction form
    2,342.87/3,511.78 = 1,246.13/x
  3. Step 3: Cross multiply
    2,342.87x = 3,511.78 × 1,246.13
  4. Step 4: Simplify right side
    2,342.87x = 4,376,134.41
  5. Step 5: Solve for x
    x = 4,376,134.41/2,342.87
  6. Step 6: Final answer
    x = 1,867.85

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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.