Home / 3,085.20-4,624.56-2,219.04

Finding the Fourth Proportional to 3,085.20, 4,624.56 and 2,219.04

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Solution

The fourth proportional to 3,085.20, 4,624.56 and 2,219.04 is: 3,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.20 : 4,624.56 = 2,219.04 : x
  2. Step 2: Convert to fraction form
    3,085.20/4,624.56 = 2,219.04/x
  3. Step 3: Cross multiply
    3,085.20x = 4,624.56 × 2,219.04
  4. Step 4: Simplify right side
    3,085.20x = 10,262,083.62
  5. Step 5: Solve for x
    x = 10,262,083.62/3,085.20
  6. Step 6: Final answer
    x = 3,326.23

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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.