Home / 2,231.08-3,344.80-1,742.68

Finding the Fourth Proportional to 2,231.08, 3,344.80 and 1,742.68

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Solution

The fourth proportional to 2,231.08, 3,344.80 and 1,742.68 is: 2,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.08 : 3,344.80 = 1,742.68 : x
  2. Step 2: Convert to fraction form
    2,231.08/3,344.80 = 1,742.68/x
  3. Step 3: Cross multiply
    2,231.08x = 3,344.80 × 1,742.68
  4. Step 4: Simplify right side
    2,231.08x = 5,828,916.06
  5. Step 5: Solve for x
    x = 5,828,916.06/2,231.08
  6. Step 6: Final answer
    x = 2,612.60

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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.