Home / 3,439.90-4,747.06-1,867.99

Finding the Fourth Proportional to 3,439.90, 4,747.06 and 1,867.99

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Solution

The fourth proportional to 3,439.90, 4,747.06 and 1,867.99 is: 2,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.90 : 4,747.06 = 1,867.99 : x
  2. Step 2: Convert to fraction form
    3,439.90/4,747.06 = 1,867.99/x
  3. Step 3: Cross multiply
    3,439.90x = 4,747.06 × 1,867.99
  4. Step 4: Simplify right side
    3,439.90x = 8,867,460.61
  5. Step 5: Solve for x
    x = 8,867,460.61/3,439.90
  6. Step 6: Final answer
    x = 2,577.83

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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.