Home / 3,531.08-4,872.87-2,114.82

Finding the Fourth Proportional to 3,531.08, 4,872.87 and 2,114.82

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Solution

The fourth proportional to 3,531.08, 4,872.87 and 2,114.82 is: 2,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.08 : 4,872.87 = 2,114.82 : x
  2. Step 2: Convert to fraction form
    3,531.08/4,872.87 = 2,114.82/x
  3. Step 3: Cross multiply
    3,531.08x = 4,872.87 × 2,114.82
  4. Step 4: Simplify right side
    3,531.08x = 10,305,242.93
  5. Step 5: Solve for x
    x = 10,305,242.93/3,531.08
  6. Step 6: Final answer
    x = 2,918.44

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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.