Home / 2,943.32-4,061.69-1,616.90

Finding the Fourth Proportional to 2,943.32, 4,061.69 and 1,616.90

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Solution

The fourth proportional to 2,943.32, 4,061.69 and 1,616.90 is: 2,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.32 : 4,061.69 = 1,616.90 : x
  2. Step 2: Convert to fraction form
    2,943.32/4,061.69 = 1,616.90/x
  3. Step 3: Cross multiply
    2,943.32x = 4,061.69 × 1,616.90
  4. Step 4: Simplify right side
    2,943.32x = 6,567,318.17
  5. Step 5: Solve for x
    x = 6,567,318.17/2,943.32
  6. Step 6: Final answer
    x = 2,231.27

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1.5x scale

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.