Home / 2,275.92-3,421.71-2,213.73

Finding the Fourth Proportional to 2,275.92, 3,421.71 and 2,213.73

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Solution

The fourth proportional to 2,275.92, 3,421.71 and 2,213.73 is: 3,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.92 : 3,421.71 = 2,213.73 : x
  2. Step 2: Convert to fraction form
    2,275.92/3,421.71 = 2,213.73/x
  3. Step 3: Cross multiply
    2,275.92x = 3,421.71 × 2,213.73
  4. Step 4: Simplify right side
    2,275.92x = 7,574,742.08
  5. Step 5: Solve for x
    x = 7,574,742.08/2,275.92
  6. Step 6: Final answer
    x = 3,328.21

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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.