Home / 3,691.56-5,094.46-2,119.76

Finding the Fourth Proportional to 3,691.56, 5,094.46 and 2,119.76

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Solution

The fourth proportional to 3,691.56, 5,094.46 and 2,119.76 is: 2,925.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.56 : 5,094.46 = 2,119.76 : x
  2. Step 2: Convert to fraction form
    3,691.56/5,094.46 = 2,119.76/x
  3. Step 3: Cross multiply
    3,691.56x = 5,094.46 × 2,119.76
  4. Step 4: Simplify right side
    3,691.56x = 10,799,032.53
  5. Step 5: Solve for x
    x = 10,799,032.53/3,691.56
  6. Step 6: Final answer
    x = 2,925.33

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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.