Home / 2,520.62-3,476.74-2,311.49

Finding the Fourth Proportional to 2,520.62, 3,476.74 and 2,311.49

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Solution

The fourth proportional to 2,520.62, 3,476.74 and 2,311.49 is: 3,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.62 : 3,476.74 = 2,311.49 : x
  2. Step 2: Convert to fraction form
    2,520.62/3,476.74 = 2,311.49/x
  3. Step 3: Cross multiply
    2,520.62x = 3,476.74 × 2,311.49
  4. Step 4: Simplify right side
    2,520.62x = 8,036,456.99
  5. Step 5: Solve for x
    x = 8,036,456.99/2,520.62
  6. Step 6: Final answer
    x = 3,188.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.