Home / 3,531.66-4,872.67-2,114.79

Finding the Fourth Proportional to 3,531.66, 4,872.67 and 2,114.79

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Solution

The fourth proportional to 3,531.66, 4,872.67 and 2,114.79 is: 2,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.66 : 4,872.67 = 2,114.79 : x
  2. Step 2: Convert to fraction form
    3,531.66/4,872.67 = 2,114.79/x
  3. Step 3: Cross multiply
    3,531.66x = 4,872.67 × 2,114.79
  4. Step 4: Simplify right side
    3,531.66x = 10,304,673.79
  5. Step 5: Solve for x
    x = 10,304,673.79/3,531.66
  6. Step 6: Final answer
    x = 2,917.80

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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.