Home / 3,217.02-4,439.42-1,819.74

Finding the Fourth Proportional to 3,217.02, 4,439.42 and 1,819.74

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Solution

The fourth proportional to 3,217.02, 4,439.42 and 1,819.74 is: 2,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.02 : 4,439.42 = 1,819.74 : x
  2. Step 2: Convert to fraction form
    3,217.02/4,439.42 = 1,819.74/x
  3. Step 3: Cross multiply
    3,217.02x = 4,439.42 × 1,819.74
  4. Step 4: Simplify right side
    3,217.02x = 8,078,590.15
  5. Step 5: Solve for x
    x = 8,078,590.15/3,217.02
  6. Step 6: Final answer
    x = 2,511.20

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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.