Home / 2,862.92-4,298.73-2,721.96

Finding the Fourth Proportional to 2,862.92, 4,298.73 and 2,721.96

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Solution

The fourth proportional to 2,862.92, 4,298.73 and 2,721.96 is: 4,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.92 : 4,298.73 = 2,721.96 : x
  2. Step 2: Convert to fraction form
    2,862.92/4,298.73 = 2,721.96/x
  3. Step 3: Cross multiply
    2,862.92x = 4,298.73 × 2,721.96
  4. Step 4: Simplify right side
    2,862.92x = 11,700,957.50
  5. Step 5: Solve for x
    x = 11,700,957.50/2,862.92
  6. Step 6: Final answer
    x = 4,087.08

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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.