Home / 3,380.61-5,064.03-2,758.13

Finding the Fourth Proportional to 3,380.61, 5,064.03 and 2,758.13

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Solution

The fourth proportional to 3,380.61, 5,064.03 and 2,758.13 is: 4,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.61 : 5,064.03 = 2,758.13 : x
  2. Step 2: Convert to fraction form
    3,380.61/5,064.03 = 2,758.13/x
  3. Step 3: Cross multiply
    3,380.61x = 5,064.03 × 2,758.13
  4. Step 4: Simplify right side
    3,380.61x = 13,967,227.74
  5. Step 5: Solve for x
    x = 13,967,227.74/3,380.61
  6. Step 6: Final answer
    x = 4,131.57

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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.