Home / 2,322.24-3,481.19-860.25

Finding the Fourth Proportional to 2,322.24, 3,481.19 and 860.25

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Solution

The fourth proportional to 2,322.24, 3,481.19 and 860.25 is: 1,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.24 : 3,481.19 = 860.25 : x
  2. Step 2: Convert to fraction form
    2,322.24/3,481.19 = 860.25/x
  3. Step 3: Cross multiply
    2,322.24x = 3,481.19 × 860.25
  4. Step 4: Simplify right side
    2,322.24x = 2,994,689.40
  5. Step 5: Solve for x
    x = 2,994,689.40/2,322.24
  6. Step 6: Final answer
    x = 1,289.57

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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.