Home / 2,943.18-4,061.60-1,616.89

Finding the Fourth Proportional to 2,943.18, 4,061.60 and 1,616.89

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Solution

The fourth proportional to 2,943.18, 4,061.60 and 1,616.89 is: 2,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.18 : 4,061.60 = 1,616.89 : x
  2. Step 2: Convert to fraction form
    2,943.18/4,061.60 = 1,616.89/x
  3. Step 3: Cross multiply
    2,943.18x = 4,061.60 × 1,616.89
  4. Step 4: Simplify right side
    2,943.18x = 6,567,160.42
  5. Step 5: Solve for x
    x = 6,567,160.42/2,943.18
  6. Step 6: Final answer
    x = 2,231.31

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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.