Home / 3,342.15-4,612.01-2,161.17

Finding the Fourth Proportional to 3,342.15, 4,612.01 and 2,161.17

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Solution

The fourth proportional to 3,342.15, 4,612.01 and 2,161.17 is: 2,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.15 : 4,612.01 = 2,161.17 : x
  2. Step 2: Convert to fraction form
    3,342.15/4,612.01 = 2,161.17/x
  3. Step 3: Cross multiply
    3,342.15x = 4,612.01 × 2,161.17
  4. Step 4: Simplify right side
    3,342.15x = 9,967,326.85
  5. Step 5: Solve for x
    x = 9,967,326.85/3,342.15
  6. Step 6: Final answer
    x = 2,982.31

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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.