Home / 2,240.28-3,343.49-2,181.96

Finding the Fourth Proportional to 2,240.28, 3,343.49 and 2,181.96

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Solution

The fourth proportional to 2,240.28, 3,343.49 and 2,181.96 is: 3,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.28 : 3,343.49 = 2,181.96 : x
  2. Step 2: Convert to fraction form
    2,240.28/3,343.49 = 2,181.96/x
  3. Step 3: Cross multiply
    2,240.28x = 3,343.49 × 2,181.96
  4. Step 4: Simplify right side
    2,240.28x = 7,295,363.07
  5. Step 5: Solve for x
    x = 7,295,363.07/2,240.28
  6. Step 6: Final answer
    x = 3,256.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.