Home / 4,087.60-6,131.40-2,443.30

Finding the Fourth Proportional to 4,087.60, 6,131.40 and 2,443.30

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Solution

The fourth proportional to 4,087.60, 6,131.40 and 2,443.30 is: 3,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.60 : 6,131.40 = 2,443.30 : x
  2. Step 2: Convert to fraction form
    4,087.60/6,131.40 = 2,443.30/x
  3. Step 3: Cross multiply
    4,087.60x = 6,131.40 × 2,443.30
  4. Step 4: Simplify right side
    4,087.60x = 14,980,849.62
  5. Step 5: Solve for x
    x = 14,980,849.62/4,087.60
  6. Step 6: Final answer
    x = 3,664.95

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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.