Home / 2,302.64-3,177.72-1,254.74

Finding the Fourth Proportional to 2,302.64, 3,177.72 and 1,254.74

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Solution

The fourth proportional to 2,302.64, 3,177.72 and 1,254.74 is: 1,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.64 : 3,177.72 = 1,254.74 : x
  2. Step 2: Convert to fraction form
    2,302.64/3,177.72 = 1,254.74/x
  3. Step 3: Cross multiply
    2,302.64x = 3,177.72 × 1,254.74
  4. Step 4: Simplify right side
    2,302.64x = 3,987,212.39
  5. Step 5: Solve for x
    x = 3,987,212.39/2,302.64
  6. Step 6: Final answer
    x = 1,731.58

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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.