Home / 3,098.78-4,276.38-1,701.62

Finding the Fourth Proportional to 3,098.78, 4,276.38 and 1,701.62

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Solution

The fourth proportional to 3,098.78, 4,276.38 and 1,701.62 is: 2,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.78 : 4,276.38 = 1,701.62 : x
  2. Step 2: Convert to fraction form
    3,098.78/4,276.38 = 1,701.62/x
  3. Step 3: Cross multiply
    3,098.78x = 4,276.38 × 1,701.62
  4. Step 4: Simplify right side
    3,098.78x = 7,276,773.74
  5. Step 5: Solve for x
    x = 7,276,773.74/3,098.78
  6. Step 6: Final answer
    x = 2,348.27

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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.