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Finding the Fourth Proportional to 2,677.70, 3,695.14 and 1,498.78

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Solution

The fourth proportional to 2,677.70, 3,695.14 and 1,498.78 is: 2,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.70 : 3,695.14 = 1,498.78 : x
  2. Step 2: Convert to fraction form
    2,677.70/3,695.14 = 1,498.78/x
  3. Step 3: Cross multiply
    2,677.70x = 3,695.14 × 1,498.78
  4. Step 4: Simplify right side
    2,677.70x = 5,538,201.93
  5. Step 5: Solve for x
    x = 5,538,201.93/2,677.70
  6. Step 6: Final answer
    x = 2,068.27

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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.