Home / 3,311.13-4,569.74-1,819.18

Finding the Fourth Proportional to 3,311.13, 4,569.74 and 1,819.18

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Solution

The fourth proportional to 3,311.13, 4,569.74 and 1,819.18 is: 2,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.13 : 4,569.74 = 1,819.18 : x
  2. Step 2: Convert to fraction form
    3,311.13/4,569.74 = 1,819.18/x
  3. Step 3: Cross multiply
    3,311.13x = 4,569.74 × 1,819.18
  4. Step 4: Simplify right side
    3,311.13x = 8,313,179.61
  5. Step 5: Solve for x
    x = 8,313,179.61/3,311.13
  6. Step 6: Final answer
    x = 2,510.68

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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.