Home / 3,251.49-4,873.65-1,276.53

Finding the Fourth Proportional to 3,251.49, 4,873.65 and 1,276.53

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Solution

The fourth proportional to 3,251.49, 4,873.65 and 1,276.53 is: 1,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.49 : 4,873.65 = 1,276.53 : x
  2. Step 2: Convert to fraction form
    3,251.49/4,873.65 = 1,276.53/x
  3. Step 3: Cross multiply
    3,251.49x = 4,873.65 × 1,276.53
  4. Step 4: Simplify right side
    3,251.49x = 6,221,360.43
  5. Step 5: Solve for x
    x = 6,221,360.43/3,251.49
  6. Step 6: Final answer
    x = 1,913.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.