Home / 1,447.52-2,179.04-1,246.58

Finding the Fourth Proportional to 1,447.52, 2,179.04 and 1,246.58

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Solution

The fourth proportional to 1,447.52, 2,179.04 and 1,246.58 is: 1,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.52 : 2,179.04 = 1,246.58 : x
  2. Step 2: Convert to fraction form
    1,447.52/2,179.04 = 1,246.58/x
  3. Step 3: Cross multiply
    1,447.52x = 2,179.04 × 1,246.58
  4. Step 4: Simplify right side
    1,447.52x = 2,716,347.68
  5. Step 5: Solve for x
    x = 2,716,347.68/1,447.52
  6. Step 6: Final answer
    x = 1,876.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.