Home / 2,869.07-4,298.10-2,209.95

Finding the Fourth Proportional to 2,869.07, 4,298.10 and 2,209.95

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Solution

The fourth proportional to 2,869.07, 4,298.10 and 2,209.95 is: 3,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.07 : 4,298.10 = 2,209.95 : x
  2. Step 2: Convert to fraction form
    2,869.07/4,298.10 = 2,209.95/x
  3. Step 3: Cross multiply
    2,869.07x = 4,298.10 × 2,209.95
  4. Step 4: Simplify right side
    2,869.07x = 9,498,569.00
  5. Step 5: Solve for x
    x = 9,498,569.00/2,869.07
  6. Step 6: Final answer
    x = 3,310.68

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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.