Home / 2,943.12-4,061.61-1,616.87

Finding the Fourth Proportional to 2,943.12, 4,061.61 and 1,616.87

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Solution

The fourth proportional to 2,943.12, 4,061.61 and 1,616.87 is: 2,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.12 : 4,061.61 = 1,616.87 : x
  2. Step 2: Convert to fraction form
    2,943.12/4,061.61 = 1,616.87/x
  3. Step 3: Cross multiply
    2,943.12x = 4,061.61 × 1,616.87
  4. Step 4: Simplify right side
    2,943.12x = 6,567,095.36
  5. Step 5: Solve for x
    x = 6,567,095.36/2,943.12
  6. Step 6: Final answer
    x = 2,231.34

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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.