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Finding the Fourth Proportional to 3,253.70, 4,490.49 and 1,927.46

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Solution

The fourth proportional to 3,253.70, 4,490.49 and 1,927.46 is: 2,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.70 : 4,490.49 = 1,927.46 : x
  2. Step 2: Convert to fraction form
    3,253.70/4,490.49 = 1,927.46/x
  3. Step 3: Cross multiply
    3,253.70x = 4,490.49 × 1,927.46
  4. Step 4: Simplify right side
    3,253.70x = 8,655,239.86
  5. Step 5: Solve for x
    x = 8,655,239.86/3,253.70
  6. Step 6: Final answer
    x = 2,660.12

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1.5x scale

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.