Home / 2,769.04-4,150.40-1,124.80

Finding the Fourth Proportional to 2,769.04, 4,150.40 and 1,124.80

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Solution

The fourth proportional to 2,769.04, 4,150.40 and 1,124.80 is: 1,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.04 : 4,150.40 = 1,124.80 : x
  2. Step 2: Convert to fraction form
    2,769.04/4,150.40 = 1,124.80/x
  3. Step 3: Cross multiply
    2,769.04x = 4,150.40 × 1,124.80
  4. Step 4: Simplify right side
    2,769.04x = 4,668,369.92
  5. Step 5: Solve for x
    x = 4,668,369.92/2,769.04
  6. Step 6: Final answer
    x = 1,685.92

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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.