Home / 3,993.28-5,988.98-1,770.90

Finding the Fourth Proportional to 3,993.28, 5,988.98 and 1,770.90

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Solution

The fourth proportional to 3,993.28, 5,988.98 and 1,770.90 is: 2,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.28 : 5,988.98 = 1,770.90 : x
  2. Step 2: Convert to fraction form
    3,993.28/5,988.98 = 1,770.90/x
  3. Step 3: Cross multiply
    3,993.28x = 5,988.98 × 1,770.90
  4. Step 4: Simplify right side
    3,993.28x = 10,605,884.68
  5. Step 5: Solve for x
    x = 10,605,884.68/3,993.28
  6. Step 6: Final answer
    x = 2,655.93

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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.