Home / 3,027.28-4,545.36-2,647.12

Finding the Fourth Proportional to 3,027.28, 4,545.36 and 2,647.12

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Solution

The fourth proportional to 3,027.28, 4,545.36 and 2,647.12 is: 3,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.28 : 4,545.36 = 2,647.12 : x
  2. Step 2: Convert to fraction form
    3,027.28/4,545.36 = 2,647.12/x
  3. Step 3: Cross multiply
    3,027.28x = 4,545.36 × 2,647.12
  4. Step 4: Simplify right side
    3,027.28x = 12,032,113.36
  5. Step 5: Solve for x
    x = 12,032,113.36/3,027.28
  6. Step 6: Final answer
    x = 3,974.56

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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.