Home / 3,312.56-4,945.55-2,528.43

Finding the Fourth Proportional to 3,312.56, 4,945.55 and 2,528.43

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Solution

The fourth proportional to 3,312.56, 4,945.55 and 2,528.43 is: 3,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.56 : 4,945.55 = 2,528.43 : x
  2. Step 2: Convert to fraction form
    3,312.56/4,945.55 = 2,528.43/x
  3. Step 3: Cross multiply
    3,312.56x = 4,945.55 × 2,528.43
  4. Step 4: Simplify right side
    3,312.56x = 12,504,470.67
  5. Step 5: Solve for x
    x = 12,504,470.67/3,312.56
  6. Step 6: Final answer
    x = 3,774.87

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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.