Home / 3,731.65-5,149.47-2,052.78

Finding the Fourth Proportional to 3,731.65, 5,149.47 and 2,052.78

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Solution

The fourth proportional to 3,731.65, 5,149.47 and 2,052.78 is: 2,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.65 : 5,149.47 = 2,052.78 : x
  2. Step 2: Convert to fraction form
    3,731.65/5,149.47 = 2,052.78/x
  3. Step 3: Cross multiply
    3,731.65x = 5,149.47 × 2,052.78
  4. Step 4: Simplify right side
    3,731.65x = 10,570,718.76
  5. Step 5: Solve for x
    x = 10,570,718.76/3,731.65
  6. Step 6: Final answer
    x = 2,832.72

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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.