Home / 3,531.23-4,872.58-2,114.59

Finding the Fourth Proportional to 3,531.23, 4,872.58 and 2,114.59

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Solution

The fourth proportional to 3,531.23, 4,872.58 and 2,114.59 is: 2,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.23 : 4,872.58 = 2,114.59 : x
  2. Step 2: Convert to fraction form
    3,531.23/4,872.58 = 2,114.59/x
  3. Step 3: Cross multiply
    3,531.23x = 4,872.58 × 2,114.59
  4. Step 4: Simplify right side
    3,531.23x = 10,303,508.94
  5. Step 5: Solve for x
    x = 10,303,508.94/3,531.23
  6. Step 6: Final answer
    x = 2,917.82

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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.