Home / 2,231.28-3,341.88-1,935

Finding the Fourth Proportional to 2,231.28, 3,341.88 and 1,935

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Solution

The fourth proportional to 2,231.28, 3,341.88 and 1,935 is: 2,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.28 : 3,341.88 = 1,935 : x
  2. Step 2: Convert to fraction form
    2,231.28/3,341.88 = 1,935/x
  3. Step 3: Cross multiply
    2,231.28x = 3,341.88 × 1,935
  4. Step 4: Simplify right side
    2,231.28x = 6,466,537.80
  5. Step 5: Solve for x
    x = 6,466,537.80/2,231.28
  6. Step 6: Final answer
    x = 2,898.13

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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.