Home / 3,859.38-5,784.95-1,637.75

Finding the Fourth Proportional to 3,859.38, 5,784.95 and 1,637.75

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Solution

The fourth proportional to 3,859.38, 5,784.95 and 1,637.75 is: 2,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.38 : 5,784.95 = 1,637.75 : x
  2. Step 2: Convert to fraction form
    3,859.38/5,784.95 = 1,637.75/x
  3. Step 3: Cross multiply
    3,859.38x = 5,784.95 × 1,637.75
  4. Step 4: Simplify right side
    3,859.38x = 9,474,320.42
  5. Step 5: Solve for x
    x = 9,474,320.42/3,859.38
  6. Step 6: Final answer
    x = 2,454.88

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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.