Home / 3,240.35-4,853.24-2,270.78

Finding the Fourth Proportional to 3,240.35, 4,853.24 and 2,270.78

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Solution

The fourth proportional to 3,240.35, 4,853.24 and 2,270.78 is: 3,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.35 : 4,853.24 = 2,270.78 : x
  2. Step 2: Convert to fraction form
    3,240.35/4,853.24 = 2,270.78/x
  3. Step 3: Cross multiply
    3,240.35x = 4,853.24 × 2,270.78
  4. Step 4: Simplify right side
    3,240.35x = 11,020,641.11
  5. Step 5: Solve for x
    x = 11,020,641.11/3,240.35
  6. Step 6: Final answer
    x = 3,401.06

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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.