Home / 3,125.12-4,664.87-2,731.01

Finding the Fourth Proportional to 3,125.12, 4,664.87 and 2,731.01

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Solution

The fourth proportional to 3,125.12, 4,664.87 and 2,731.01 is: 4,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.12 : 4,664.87 = 2,731.01 : x
  2. Step 2: Convert to fraction form
    3,125.12/4,664.87 = 2,731.01/x
  3. Step 3: Cross multiply
    3,125.12x = 4,664.87 × 2,731.01
  4. Step 4: Simplify right side
    3,125.12x = 12,739,806.62
  5. Step 5: Solve for x
    x = 12,739,806.62/3,125.12
  6. Step 6: Final answer
    x = 4,076.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.