Home / 2,312.96-3,449.41-2,202.80

Finding the Fourth Proportional to 2,312.96, 3,449.41 and 2,202.80

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Solution

The fourth proportional to 2,312.96, 3,449.41 and 2,202.80 is: 3,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.96 : 3,449.41 = 2,202.80 : x
  2. Step 2: Convert to fraction form
    2,312.96/3,449.41 = 2,202.80/x
  3. Step 3: Cross multiply
    2,312.96x = 3,449.41 × 2,202.80
  4. Step 4: Simplify right side
    2,312.96x = 7,598,360.35
  5. Step 5: Solve for x
    x = 7,598,360.35/2,312.96
  6. Step 6: Final answer
    x = 3,285.12

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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.