Home / 3,839.28-5,298.16-2,267.36

Finding the Fourth Proportional to 3,839.28, 5,298.16 and 2,267.36

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Solution

The fourth proportional to 3,839.28, 5,298.16 and 2,267.36 is: 3,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.28 : 5,298.16 = 2,267.36 : x
  2. Step 2: Convert to fraction form
    3,839.28/5,298.16 = 2,267.36/x
  3. Step 3: Cross multiply
    3,839.28x = 5,298.16 × 2,267.36
  4. Step 4: Simplify right side
    3,839.28x = 12,012,836.06
  5. Step 5: Solve for x
    x = 12,012,836.06/3,839.28
  6. Step 6: Final answer
    x = 3,128.93

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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.