Home / 3,923.16-5,884.98-1,325.88

Finding the Fourth Proportional to 3,923.16, 5,884.98 and 1,325.88

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Solution

The fourth proportional to 3,923.16, 5,884.98 and 1,325.88 is: 1,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.16 : 5,884.98 = 1,325.88 : x
  2. Step 2: Convert to fraction form
    3,923.16/5,884.98 = 1,325.88/x
  3. Step 3: Cross multiply
    3,923.16x = 5,884.98 × 1,325.88
  4. Step 4: Simplify right side
    3,923.16x = 7,802,777.28
  5. Step 5: Solve for x
    x = 7,802,777.28/3,923.16
  6. Step 6: Final answer
    x = 1,988.90

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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.