Home / 2,247.44-3,370.27-860.31

Finding the Fourth Proportional to 2,247.44, 3,370.27 and 860.31

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Solution

The fourth proportional to 2,247.44, 3,370.27 and 860.31 is: 1,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.44 : 3,370.27 = 860.31 : x
  2. Step 2: Convert to fraction form
    2,247.44/3,370.27 = 860.31/x
  3. Step 3: Cross multiply
    2,247.44x = 3,370.27 × 860.31
  4. Step 4: Simplify right side
    2,247.44x = 2,899,476.98
  5. Step 5: Solve for x
    x = 2,899,476.98/2,247.44
  6. Step 6: Final answer
    x = 1,290.12

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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.