Home / 2,862.08-3,949.80-2,240

Finding the Fourth Proportional to 2,862.08, 3,949.80 and 2,240

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Solution

The fourth proportional to 2,862.08, 3,949.80 and 2,240 is: 3,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.08 : 3,949.80 = 2,240 : x
  2. Step 2: Convert to fraction form
    2,862.08/3,949.80 = 2,240/x
  3. Step 3: Cross multiply
    2,862.08x = 3,949.80 × 2,240
  4. Step 4: Simplify right side
    2,862.08x = 8,847,552
  5. Step 5: Solve for x
    x = 8,847,552/2,862.08
  6. Step 6: Final answer
    x = 3,091.30

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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.