Home / 2,568.98-3,853.28-1,581.95

Finding the Fourth Proportional to 2,568.98, 3,853.28 and 1,581.95

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Solution

The fourth proportional to 2,568.98, 3,853.28 and 1,581.95 is: 2,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.98 : 3,853.28 = 1,581.95 : x
  2. Step 2: Convert to fraction form
    2,568.98/3,853.28 = 1,581.95/x
  3. Step 3: Cross multiply
    2,568.98x = 3,853.28 × 1,581.95
  4. Step 4: Simplify right side
    2,568.98x = 6,095,709.88
  5. Step 5: Solve for x
    x = 6,095,709.88/2,568.98
  6. Step 6: Final answer
    x = 2,372.81

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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.