Home / 2,769.40-4,154.10-2,281.24

Finding the Fourth Proportional to 2,769.40, 4,154.10 and 2,281.24

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Solution

The fourth proportional to 2,769.40, 4,154.10 and 2,281.24 is: 3,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.40 : 4,154.10 = 2,281.24 : x
  2. Step 2: Convert to fraction form
    2,769.40/4,154.10 = 2,281.24/x
  3. Step 3: Cross multiply
    2,769.40x = 4,154.10 × 2,281.24
  4. Step 4: Simplify right side
    2,769.40x = 9,476,499.08
  5. Step 5: Solve for x
    x = 9,476,499.08/2,769.40
  6. Step 6: Final answer
    x = 3,421.86

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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.