Home / 3,245.16-4,478.14-1,828.85

Finding the Fourth Proportional to 3,245.16, 4,478.14 and 1,828.85

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Solution

The fourth proportional to 3,245.16, 4,478.14 and 1,828.85 is: 2,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.16 : 4,478.14 = 1,828.85 : x
  2. Step 2: Convert to fraction form
    3,245.16/4,478.14 = 1,828.85/x
  3. Step 3: Cross multiply
    3,245.16x = 4,478.14 × 1,828.85
  4. Step 4: Simplify right side
    3,245.16x = 8,189,823.95
  5. Step 5: Solve for x
    x = 8,189,823.95/3,245.16
  6. Step 6: Final answer
    x = 2,523.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.