Home / 3,719.68-5,133.56-2,376.53

Finding the Fourth Proportional to 3,719.68, 5,133.56 and 2,376.53

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Solution

The fourth proportional to 3,719.68, 5,133.56 and 2,376.53 is: 3,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.68 : 5,133.56 = 2,376.53 : x
  2. Step 2: Convert to fraction form
    3,719.68/5,133.56 = 2,376.53/x
  3. Step 3: Cross multiply
    3,719.68x = 5,133.56 × 2,376.53
  4. Step 4: Simplify right side
    3,719.68x = 12,200,059.35
  5. Step 5: Solve for x
    x = 12,200,059.35/3,719.68
  6. Step 6: Final answer
    x = 3,279.87

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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.