Home / 2,721.54-3,754.65-1,777.03

Finding the Fourth Proportional to 2,721.54, 3,754.65 and 1,777.03

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Solution

The fourth proportional to 2,721.54, 3,754.65 and 1,777.03 is: 2,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.54 : 3,754.65 = 1,777.03 : x
  2. Step 2: Convert to fraction form
    2,721.54/3,754.65 = 1,777.03/x
  3. Step 3: Cross multiply
    2,721.54x = 3,754.65 × 1,777.03
  4. Step 4: Simplify right side
    2,721.54x = 6,672,116.80
  5. Step 5: Solve for x
    x = 6,672,116.80/2,721.54
  6. Step 6: Final answer
    x = 2,451.60

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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.