Home / 3,755.55-5,177.14-2,956.31

Finding the Fourth Proportional to 3,755.55, 5,177.14 and 2,956.31

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Solution

The fourth proportional to 3,755.55, 5,177.14 and 2,956.31 is: 4,075.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.55 : 5,177.14 = 2,956.31 : x
  2. Step 2: Convert to fraction form
    3,755.55/5,177.14 = 2,956.31/x
  3. Step 3: Cross multiply
    3,755.55x = 5,177.14 × 2,956.31
  4. Step 4: Simplify right side
    3,755.55x = 15,305,216.89
  5. Step 5: Solve for x
    x = 15,305,216.89/3,755.55
  6. Step 6: Final answer
    x = 4,075.36

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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.