Home / 2,862.89-4,294.38-1,881.95

Finding the Fourth Proportional to 2,862.89, 4,294.38 and 1,881.95

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Solution

The fourth proportional to 2,862.89, 4,294.38 and 1,881.95 is: 2,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.89 : 4,294.38 = 1,881.95 : x
  2. Step 2: Convert to fraction form
    2,862.89/4,294.38 = 1,881.95/x
  3. Step 3: Cross multiply
    2,862.89x = 4,294.38 × 1,881.95
  4. Step 4: Simplify right side
    2,862.89x = 8,081,818.18
  5. Step 5: Solve for x
    x = 8,081,818.18/2,862.89
  6. Step 6: Final answer
    x = 2,822.96

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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.