Home / 2,247.80-3,370.38-948.56

Finding the Fourth Proportional to 2,247.80, 3,370.38 and 948.56

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Solution

The fourth proportional to 2,247.80, 3,370.38 and 948.56 is: 1,422.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.80 : 3,370.38 = 948.56 : x
  2. Step 2: Convert to fraction form
    2,247.80/3,370.38 = 948.56/x
  3. Step 3: Cross multiply
    2,247.80x = 3,370.38 × 948.56
  4. Step 4: Simplify right side
    2,247.80x = 3,197,007.65
  5. Step 5: Solve for x
    x = 3,197,007.65/2,247.80
  6. Step 6: Final answer
    x = 1,422.28

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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.