Home / 3,085.24-4,620.57-2,431.57

Finding the Fourth Proportional to 3,085.24, 4,620.57 and 2,431.57

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Solution

The fourth proportional to 3,085.24, 4,620.57 and 2,431.57 is: 3,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.24 : 4,620.57 = 2,431.57 : x
  2. Step 2: Convert to fraction form
    3,085.24/4,620.57 = 2,431.57/x
  3. Step 3: Cross multiply
    3,085.24x = 4,620.57 × 2,431.57
  4. Step 4: Simplify right side
    3,085.24x = 11,235,239.39
  5. Step 5: Solve for x
    x = 11,235,239.39/3,085.24
  6. Step 6: Final answer
    x = 3,641.61

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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.