Home / 3,389.28-5,083.86-1,337.28

Finding the Fourth Proportional to 3,389.28, 5,083.86 and 1,337.28

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Solution

The fourth proportional to 3,389.28, 5,083.86 and 1,337.28 is: 2,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.28 : 5,083.86 = 1,337.28 : x
  2. Step 2: Convert to fraction form
    3,389.28/5,083.86 = 1,337.28/x
  3. Step 3: Cross multiply
    3,389.28x = 5,083.86 × 1,337.28
  4. Step 4: Simplify right side
    3,389.28x = 6,798,544.30
  5. Step 5: Solve for x
    x = 6,798,544.30/3,389.28
  6. Step 6: Final answer
    x = 2,005.90

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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.