Home / 2,210.22-3,309.85-1,282.96

Finding the Fourth Proportional to 2,210.22, 3,309.85 and 1,282.96

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Solution

The fourth proportional to 2,210.22, 3,309.85 and 1,282.96 is: 1,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.22 : 3,309.85 = 1,282.96 : x
  2. Step 2: Convert to fraction form
    2,210.22/3,309.85 = 1,282.96/x
  3. Step 3: Cross multiply
    2,210.22x = 3,309.85 × 1,282.96
  4. Step 4: Simplify right side
    2,210.22x = 4,246,423.81
  5. Step 5: Solve for x
    x = 4,246,423.81/2,210.22
  6. Step 6: Final answer
    x = 1,921.27

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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.