Home / 3,719.90-5,134.50-2,393.12

Finding the Fourth Proportional to 3,719.90, 5,134.50 and 2,393.12

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Solution

The fourth proportional to 3,719.90, 5,134.50 and 2,393.12 is: 3,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.90 : 5,134.50 = 2,393.12 : x
  2. Step 2: Convert to fraction form
    3,719.90/5,134.50 = 2,393.12/x
  3. Step 3: Cross multiply
    3,719.90x = 5,134.50 × 2,393.12
  4. Step 4: Simplify right side
    3,719.90x = 12,287,487.48
  5. Step 5: Solve for x
    x = 12,287,487.48/3,719.90
  6. Step 6: Final answer
    x = 3,303.17

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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.