Home / 2,772.06-4,159.02-1,851.30

Finding the Fourth Proportional to 2,772.06, 4,159.02 and 1,851.30

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Solution

The fourth proportional to 2,772.06, 4,159.02 and 1,851.30 is: 2,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.06 : 4,159.02 = 1,851.30 : x
  2. Step 2: Convert to fraction form
    2,772.06/4,159.02 = 1,851.30/x
  3. Step 3: Cross multiply
    2,772.06x = 4,159.02 × 1,851.30
  4. Step 4: Simplify right side
    2,772.06x = 7,699,593.73
  5. Step 5: Solve for x
    x = 7,699,593.73/2,772.06
  6. Step 6: Final answer
    x = 2,777.57

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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.