Home / 3,747.06-5,177.12-2,959.74

Finding the Fourth Proportional to 3,747.06, 5,177.12 and 2,959.74

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Solution

The fourth proportional to 3,747.06, 5,177.12 and 2,959.74 is: 4,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.06 : 5,177.12 = 2,959.74 : x
  2. Step 2: Convert to fraction form
    3,747.06/5,177.12 = 2,959.74/x
  3. Step 3: Cross multiply
    3,747.06x = 5,177.12 × 2,959.74
  4. Step 4: Simplify right side
    3,747.06x = 15,322,914.35
  5. Step 5: Solve for x
    x = 15,322,914.35/3,747.06
  6. Step 6: Final answer
    x = 4,089.32

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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.