Home / 3,713.18-5,121.99-2,140.16

Finding the Fourth Proportional to 3,713.18, 5,121.99 and 2,140.16

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Solution

The fourth proportional to 3,713.18, 5,121.99 and 2,140.16 is: 2,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.18 : 5,121.99 = 2,140.16 : x
  2. Step 2: Convert to fraction form
    3,713.18/5,121.99 = 2,140.16/x
  3. Step 3: Cross multiply
    3,713.18x = 5,121.99 × 2,140.16
  4. Step 4: Simplify right side
    3,713.18x = 10,961,878.12
  5. Step 5: Solve for x
    x = 10,961,878.12/3,713.18
  6. Step 6: Final answer
    x = 2,952.15

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