Home / 2,774.25-4,161.78-1,043.28

Finding the Fourth Proportional to 2,774.25, 4,161.78 and 1,043.28

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Solution

The fourth proportional to 2,774.25, 4,161.78 and 1,043.28 is: 1,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.25 : 4,161.78 = 1,043.28 : x
  2. Step 2: Convert to fraction form
    2,774.25/4,161.78 = 1,043.28/x
  3. Step 3: Cross multiply
    2,774.25x = 4,161.78 × 1,043.28
  4. Step 4: Simplify right side
    2,774.25x = 4,341,901.84
  5. Step 5: Solve for x
    x = 4,341,901.84/2,774.25
  6. Step 6: Final answer
    x = 1,565.07

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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.