Home / 2,546.40-3,823.82-1,718.78

Finding the Fourth Proportional to 2,546.40, 3,823.82 and 1,718.78

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Solution

The fourth proportional to 2,546.40, 3,823.82 and 1,718.78 is: 2,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.40 : 3,823.82 = 1,718.78 : x
  2. Step 2: Convert to fraction form
    2,546.40/3,823.82 = 1,718.78/x
  3. Step 3: Cross multiply
    2,546.40x = 3,823.82 × 1,718.78
  4. Step 4: Simplify right side
    2,546.40x = 6,572,306.71
  5. Step 5: Solve for x
    x = 6,572,306.71/2,546.40
  6. Step 6: Final answer
    x = 2,581.02

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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.