Home / 3,243.70-4,865.55-2,475.70

Finding the Fourth Proportional to 3,243.70, 4,865.55 and 2,475.70

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Solution

The fourth proportional to 3,243.70, 4,865.55 and 2,475.70 is: 3,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.70 : 4,865.55 = 2,475.70 : x
  2. Step 2: Convert to fraction form
    3,243.70/4,865.55 = 2,475.70/x
  3. Step 3: Cross multiply
    3,243.70x = 4,865.55 × 2,475.70
  4. Step 4: Simplify right side
    3,243.70x = 12,045,642.14
  5. Step 5: Solve for x
    x = 12,045,642.14/3,243.70
  6. Step 6: Final answer
    x = 3,713.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.