Home / 3,475.80-5,220.96-2,955.72

Finding the Fourth Proportional to 3,475.80, 5,220.96 and 2,955.72

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Solution

The fourth proportional to 3,475.80, 5,220.96 and 2,955.72 is: 4,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.80 : 5,220.96 = 2,955.72 : x
  2. Step 2: Convert to fraction form
    3,475.80/5,220.96 = 2,955.72/x
  3. Step 3: Cross multiply
    3,475.80x = 5,220.96 × 2,955.72
  4. Step 4: Simplify right side
    3,475.80x = 15,431,695.89
  5. Step 5: Solve for x
    x = 15,431,695.89/3,475.80
  6. Step 6: Final answer
    x = 4,439.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.