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Finding the Fourth Proportional to 2,392.66, 3,301.76 and 1,330.49

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Solution

The fourth proportional to 2,392.66, 3,301.76 and 1,330.49 is: 1,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.66 : 3,301.76 = 1,330.49 : x
  2. Step 2: Convert to fraction form
    2,392.66/3,301.76 = 1,330.49/x
  3. Step 3: Cross multiply
    2,392.66x = 3,301.76 × 1,330.49
  4. Step 4: Simplify right side
    2,392.66x = 4,392,970.24
  5. Step 5: Solve for x
    x = 4,392,970.24/2,392.66
  6. Step 6: Final answer
    x = 1,836.02

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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.