Home / 1,458.46-2,189.88-1,255.24

Finding the Fourth Proportional to 1,458.46, 2,189.88 and 1,255.24

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Solution

The fourth proportional to 1,458.46, 2,189.88 and 1,255.24 is: 1,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.46 : 2,189.88 = 1,255.24 : x
  2. Step 2: Convert to fraction form
    1,458.46/2,189.88 = 1,255.24/x
  3. Step 3: Cross multiply
    1,458.46x = 2,189.88 × 1,255.24
  4. Step 4: Simplify right side
    1,458.46x = 2,748,824.97
  5. Step 5: Solve for x
    x = 2,748,824.97/1,458.46
  6. Step 6: Final answer
    x = 1,884.74

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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.