Home / 2,772.64-4,160.76-1,041.25

Finding the Fourth Proportional to 2,772.64, 4,160.76 and 1,041.25

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Solution

The fourth proportional to 2,772.64, 4,160.76 and 1,041.25 is: 1,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.64 : 4,160.76 = 1,041.25 : x
  2. Step 2: Convert to fraction form
    2,772.64/4,160.76 = 1,041.25/x
  3. Step 3: Cross multiply
    2,772.64x = 4,160.76 × 1,041.25
  4. Step 4: Simplify right side
    2,772.64x = 4,332,391.35
  5. Step 5: Solve for x
    x = 4,332,391.35/2,772.64
  6. Step 6: Final answer
    x = 1,562.55

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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.