Home / 2,981.16-4,114.26-2,540.52

Finding the Fourth Proportional to 2,981.16, 4,114.26 and 2,540.52

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Solution

The fourth proportional to 2,981.16, 4,114.26 and 2,540.52 is: 3,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.16 : 4,114.26 = 2,540.52 : x
  2. Step 2: Convert to fraction form
    2,981.16/4,114.26 = 2,540.52/x
  3. Step 3: Cross multiply
    2,981.16x = 4,114.26 × 2,540.52
  4. Step 4: Simplify right side
    2,981.16x = 10,452,359.82
  5. Step 5: Solve for x
    x = 10,452,359.82/2,981.16
  6. Step 6: Final answer
    x = 3,506.14

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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.