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Finding the Fourth Proportional to 2,240.68, 3,092.04 and 1,246

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Solution

The fourth proportional to 2,240.68, 3,092.04 and 1,246 is: 1,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.68 : 3,092.04 = 1,246 : x
  2. Step 2: Convert to fraction form
    2,240.68/3,092.04 = 1,246/x
  3. Step 3: Cross multiply
    2,240.68x = 3,092.04 × 1,246
  4. Step 4: Simplify right side
    2,240.68x = 3,852,681.84
  5. Step 5: Solve for x
    x = 3,852,681.84/2,240.68
  6. Step 6: Final answer
    x = 1,719.43

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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.