Home / 2,234.82-3,084.09-1,240.20

Finding the Fourth Proportional to 2,234.82, 3,084.09 and 1,240.20

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Solution

The fourth proportional to 2,234.82, 3,084.09 and 1,240.20 is: 1,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.82 : 3,084.09 = 1,240.20 : x
  2. Step 2: Convert to fraction form
    2,234.82/3,084.09 = 1,240.20/x
  3. Step 3: Cross multiply
    2,234.82x = 3,084.09 × 1,240.20
  4. Step 4: Simplify right side
    2,234.82x = 3,824,888.42
  5. Step 5: Solve for x
    x = 3,824,888.42/2,234.82
  6. Step 6: Final answer
    x = 1,711.50

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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.