Home / 2,943.15-4,061.40-1,616.88

Finding the Fourth Proportional to 2,943.15, 4,061.40 and 1,616.88

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Solution

The fourth proportional to 2,943.15, 4,061.40 and 1,616.88 is: 2,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.15 : 4,061.40 = 1,616.88 : x
  2. Step 2: Convert to fraction form
    2,943.15/4,061.40 = 1,616.88/x
  3. Step 3: Cross multiply
    2,943.15x = 4,061.40 × 1,616.88
  4. Step 4: Simplify right side
    2,943.15x = 6,566,796.43
  5. Step 5: Solve for x
    x = 6,566,796.43/2,943.15
  6. Step 6: Final answer
    x = 2,231.21

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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.