Home / 3,931.42-5,897.35-1,591.08

Finding the Fourth Proportional to 3,931.42, 5,897.35 and 1,591.08

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Solution

The fourth proportional to 3,931.42, 5,897.35 and 1,591.08 is: 2,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.42 : 5,897.35 = 1,591.08 : x
  2. Step 2: Convert to fraction form
    3,931.42/5,897.35 = 1,591.08/x
  3. Step 3: Cross multiply
    3,931.42x = 5,897.35 × 1,591.08
  4. Step 4: Simplify right side
    3,931.42x = 9,383,155.64
  5. Step 5: Solve for x
    x = 9,383,155.64/3,931.42
  6. Step 6: Final answer
    x = 2,386.71

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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.