Home / 2,567.21-3,849.27-1,248.36

Finding the Fourth Proportional to 2,567.21, 3,849.27 and 1,248.36

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Solution

The fourth proportional to 2,567.21, 3,849.27 and 1,248.36 is: 1,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.21 : 3,849.27 = 1,248.36 : x
  2. Step 2: Convert to fraction form
    2,567.21/3,849.27 = 1,248.36/x
  3. Step 3: Cross multiply
    2,567.21x = 3,849.27 × 1,248.36
  4. Step 4: Simplify right side
    2,567.21x = 4,805,274.70
  5. Step 5: Solve for x
    x = 4,805,274.70/2,567.21
  6. Step 6: Final answer
    x = 1,871.79

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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.