Home / 3,691.48-5,094.28-2,119.56

Finding the Fourth Proportional to 3,691.48, 5,094.28 and 2,119.56

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Solution

The fourth proportional to 3,691.48, 5,094.28 and 2,119.56 is: 2,925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.48 : 5,094.28 = 2,119.56 : x
  2. Step 2: Convert to fraction form
    3,691.48/5,094.28 = 2,119.56/x
  3. Step 3: Cross multiply
    3,691.48x = 5,094.28 × 2,119.56
  4. Step 4: Simplify right side
    3,691.48x = 10,797,632.12
  5. Step 5: Solve for x
    x = 10,797,632.12/3,691.48
  6. Step 6: Final answer
    x = 2,925.01

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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.