Home / 2,862.11-3,948.23-2,468.45

Finding the Fourth Proportional to 2,862.11, 3,948.23 and 2,468.45

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Solution

The fourth proportional to 2,862.11, 3,948.23 and 2,468.45 is: 3,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.11 : 3,948.23 = 2,468.45 : x
  2. Step 2: Convert to fraction form
    2,862.11/3,948.23 = 2,468.45/x
  3. Step 3: Cross multiply
    2,862.11x = 3,948.23 × 2,468.45
  4. Step 4: Simplify right side
    2,862.11x = 9,745,976.26
  5. Step 5: Solve for x
    x = 9,745,976.26/2,862.11
  6. Step 6: Final answer
    x = 3,405.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.