Home / 2,567.13-3,851.30-835.75

Finding the Fourth Proportional to 2,567.13, 3,851.30 and 835.75

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Solution

The fourth proportional to 2,567.13, 3,851.30 and 835.75 is: 1,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.13 : 3,851.30 = 835.75 : x
  2. Step 2: Convert to fraction form
    2,567.13/3,851.30 = 835.75/x
  3. Step 3: Cross multiply
    2,567.13x = 3,851.30 × 835.75
  4. Step 4: Simplify right side
    2,567.13x = 3,218,723.98
  5. Step 5: Solve for x
    x = 3,218,723.98/2,567.13
  6. Step 6: Final answer
    x = 1,253.82

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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.