Home / 2,302.71-3,177.72-1,254.75

Finding the Fourth Proportional to 2,302.71, 3,177.72 and 1,254.75

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Solution

The fourth proportional to 2,302.71, 3,177.72 and 1,254.75 is: 1,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.71 : 3,177.72 = 1,254.75 : x
  2. Step 2: Convert to fraction form
    2,302.71/3,177.72 = 1,254.75/x
  3. Step 3: Cross multiply
    2,302.71x = 3,177.72 × 1,254.75
  4. Step 4: Simplify right side
    2,302.71x = 3,987,244.17
  5. Step 5: Solve for x
    x = 3,987,244.17/2,302.71
  6. Step 6: Final answer
    x = 1,731.54

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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.