Home / 3,531.07-4,872.97-1,937.79

Finding the Fourth Proportional to 3,531.07, 4,872.97 and 1,937.79

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Solution

The fourth proportional to 3,531.07, 4,872.97 and 1,937.79 is: 2,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.07 : 4,872.97 = 1,937.79 : x
  2. Step 2: Convert to fraction form
    3,531.07/4,872.97 = 1,937.79/x
  3. Step 3: Cross multiply
    3,531.07x = 4,872.97 × 1,937.79
  4. Step 4: Simplify right side
    3,531.07x = 9,442,794.96
  5. Step 5: Solve for x
    x = 9,442,794.96/3,531.07
  6. Step 6: Final answer
    x = 2,674.20

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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.