Home / 2,769.64-4,151.32-1,124.12

Finding the Fourth Proportional to 2,769.64, 4,151.32 and 1,124.12

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Solution

The fourth proportional to 2,769.64, 4,151.32 and 1,124.12 is: 1,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.64 : 4,151.32 = 1,124.12 : x
  2. Step 2: Convert to fraction form
    2,769.64/4,151.32 = 1,124.12/x
  3. Step 3: Cross multiply
    2,769.64x = 4,151.32 × 1,124.12
  4. Step 4: Simplify right side
    2,769.64x = 4,666,589.41
  5. Step 5: Solve for x
    x = 4,666,589.41/2,769.64
  6. Step 6: Final answer
    x = 1,684.91

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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.