Home / 2,392.17-3,299.36-1,731.21

Finding the Fourth Proportional to 2,392.17, 3,299.36 and 1,731.21

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Solution

The fourth proportional to 2,392.17, 3,299.36 and 1,731.21 is: 2,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.17 : 3,299.36 = 1,731.21 : x
  2. Step 2: Convert to fraction form
    2,392.17/3,299.36 = 1,731.21/x
  3. Step 3: Cross multiply
    2,392.17x = 3,299.36 × 1,731.21
  4. Step 4: Simplify right side
    2,392.17x = 5,711,885.03
  5. Step 5: Solve for x
    x = 5,711,885.03/2,392.17
  6. Step 6: Final answer
    x = 2,387.74

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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.