Home / 3,560.06-4,912.92-1,988.24

Finding the Fourth Proportional to 3,560.06, 4,912.92 and 1,988.24

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Solution

The fourth proportional to 3,560.06, 4,912.92 and 1,988.24 is: 2,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.06 : 4,912.92 = 1,988.24 : x
  2. Step 2: Convert to fraction form
    3,560.06/4,912.92 = 1,988.24/x
  3. Step 3: Cross multiply
    3,560.06x = 4,912.92 × 1,988.24
  4. Step 4: Simplify right side
    3,560.06x = 9,768,064.06
  5. Step 5: Solve for x
    x = 9,768,064.06/3,560.06
  6. Step 6: Final answer
    x = 2,743.79

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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.