Home / 3,122.62-4,327.85-3,064.30

Finding the Fourth Proportional to 3,122.62, 4,327.85 and 3,064.30

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Solution

The fourth proportional to 3,122.62, 4,327.85 and 3,064.30 is: 4,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.62 : 4,327.85 = 3,064.30 : x
  2. Step 2: Convert to fraction form
    3,122.62/4,327.85 = 3,064.30/x
  3. Step 3: Cross multiply
    3,122.62x = 4,327.85 × 3,064.30
  4. Step 4: Simplify right side
    3,122.62x = 13,261,810.36
  5. Step 5: Solve for x
    x = 13,261,810.36/3,122.62
  6. Step 6: Final answer
    x = 4,247.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.