Home / 4,172.30-5,758.98-2,757.02

Finding the Fourth Proportional to 4,172.30, 5,758.98 and 2,757.02

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Solution

The fourth proportional to 4,172.30, 5,758.98 and 2,757.02 is: 3,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.30 : 5,758.98 = 2,757.02 : x
  2. Step 2: Convert to fraction form
    4,172.30/5,758.98 = 2,757.02/x
  3. Step 3: Cross multiply
    4,172.30x = 5,758.98 × 2,757.02
  4. Step 4: Simplify right side
    4,172.30x = 15,877,623.04
  5. Step 5: Solve for x
    x = 15,877,623.04/4,172.30
  6. Step 6: Final answer
    x = 3,805.48

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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.