Home / 3,691.08-5,094.72-2,119.68

Finding the Fourth Proportional to 3,691.08, 5,094.72 and 2,119.68

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Solution

The fourth proportional to 3,691.08, 5,094.72 and 2,119.68 is: 2,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.08 : 5,094.72 = 2,119.68 : x
  2. Step 2: Convert to fraction form
    3,691.08/5,094.72 = 2,119.68/x
  3. Step 3: Cross multiply
    3,691.08x = 5,094.72 × 2,119.68
  4. Step 4: Simplify right side
    3,691.08x = 10,799,176.09
  5. Step 5: Solve for x
    x = 10,799,176.09/3,691.08
  6. Step 6: Final answer
    x = 2,925.75

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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.