Home / 1,851.22-2,553.83-1,262.55

Finding the Fourth Proportional to 1,851.22, 2,553.83 and 1,262.55

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Solution

The fourth proportional to 1,851.22, 2,553.83 and 1,262.55 is: 1,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.22 : 2,553.83 = 1,262.55 : x
  2. Step 2: Convert to fraction form
    1,851.22/2,553.83 = 1,262.55/x
  3. Step 3: Cross multiply
    1,851.22x = 2,553.83 × 1,262.55
  4. Step 4: Simplify right side
    1,851.22x = 3,224,346.07
  5. Step 5: Solve for x
    x = 3,224,346.07/1,851.22
  6. Step 6: Final answer
    x = 1,741.74

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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.