Home / 3,931.25-5,884.08-2,891.04

Finding the Fourth Proportional to 3,931.25, 5,884.08 and 2,891.04

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Solution

The fourth proportional to 3,931.25, 5,884.08 and 2,891.04 is: 4,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.25 : 5,884.08 = 2,891.04 : x
  2. Step 2: Convert to fraction form
    3,931.25/5,884.08 = 2,891.04/x
  3. Step 3: Cross multiply
    3,931.25x = 5,884.08 × 2,891.04
  4. Step 4: Simplify right side
    3,931.25x = 17,011,110.64
  5. Step 5: Solve for x
    x = 17,011,110.64/3,931.25
  6. Step 6: Final answer
    x = 4,327.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.