Home / 3,428.19-4,733.55-2,680.83

Finding the Fourth Proportional to 3,428.19, 4,733.55 and 2,680.83

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Solution

The fourth proportional to 3,428.19, 4,733.55 and 2,680.83 is: 3,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.19 : 4,733.55 = 2,680.83 : x
  2. Step 2: Convert to fraction form
    3,428.19/4,733.55 = 2,680.83/x
  3. Step 3: Cross multiply
    3,428.19x = 4,733.55 × 2,680.83
  4. Step 4: Simplify right side
    3,428.19x = 12,689,842.85
  5. Step 5: Solve for x
    x = 12,689,842.85/3,428.19
  6. Step 6: Final answer
    x = 3,701.62

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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.