Home / 3,988.28-5,977.92-2,036.36

Finding the Fourth Proportional to 3,988.28, 5,977.92 and 2,036.36

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Solution

The fourth proportional to 3,988.28, 5,977.92 and 2,036.36 is: 3,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.28 : 5,977.92 = 2,036.36 : x
  2. Step 2: Convert to fraction form
    3,988.28/5,977.92 = 2,036.36/x
  3. Step 3: Cross multiply
    3,988.28x = 5,977.92 × 2,036.36
  4. Step 4: Simplify right side
    3,988.28x = 12,173,197.17
  5. Step 5: Solve for x
    x = 12,173,197.17/3,988.28
  6. Step 6: Final answer
    x = 3,052.24

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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.