Home / 3,127.67-4,691.72-1,047.59

Finding the Fourth Proportional to 3,127.67, 4,691.72 and 1,047.59

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Solution

The fourth proportional to 3,127.67, 4,691.72 and 1,047.59 is: 1,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.67 : 4,691.72 = 1,047.59 : x
  2. Step 2: Convert to fraction form
    3,127.67/4,691.72 = 1,047.59/x
  3. Step 3: Cross multiply
    3,127.67x = 4,691.72 × 1,047.59
  4. Step 4: Simplify right side
    3,127.67x = 4,914,998.95
  5. Step 5: Solve for x
    x = 4,914,998.95/3,127.67
  6. Step 6: Final answer
    x = 1,571.46

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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.