Home / 3,113.31-4,291.90-2,449.01

Finding the Fourth Proportional to 3,113.31, 4,291.90 and 2,449.01

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Solution

The fourth proportional to 3,113.31, 4,291.90 and 2,449.01 is: 3,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.31 : 4,291.90 = 2,449.01 : x
  2. Step 2: Convert to fraction form
    3,113.31/4,291.90 = 2,449.01/x
  3. Step 3: Cross multiply
    3,113.31x = 4,291.90 × 2,449.01
  4. Step 4: Simplify right side
    3,113.31x = 10,510,878.44
  5. Step 5: Solve for x
    x = 10,510,878.44/3,113.31
  6. Step 6: Final answer
    x = 3,376.11

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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.