Home / 2,722.89-3,757.65-1,480.89

Finding the Fourth Proportional to 2,722.89, 3,757.65 and 1,480.89

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Solution

The fourth proportional to 2,722.89, 3,757.65 and 1,480.89 is: 2,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.89 : 3,757.65 = 1,480.89 : x
  2. Step 2: Convert to fraction form
    2,722.89/3,757.65 = 1,480.89/x
  3. Step 3: Cross multiply
    2,722.89x = 3,757.65 × 1,480.89
  4. Step 4: Simplify right side
    2,722.89x = 5,564,666.31
  5. Step 5: Solve for x
    x = 5,564,666.31/2,722.89
  6. Step 6: Final answer
    x = 2,043.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.