Home / 1,851.86-2,554.62-1,254.38

Finding the Fourth Proportional to 1,851.86, 2,554.62 and 1,254.38

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Solution

The fourth proportional to 1,851.86, 2,554.62 and 1,254.38 is: 1,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.86 : 2,554.62 = 1,254.38 : x
  2. Step 2: Convert to fraction form
    1,851.86/2,554.62 = 1,254.38/x
  3. Step 3: Cross multiply
    1,851.86x = 2,554.62 × 1,254.38
  4. Step 4: Simplify right side
    1,851.86x = 3,204,446.76
  5. Step 5: Solve for x
    x = 3,204,446.76/1,851.86
  6. Step 6: Final answer
    x = 1,730.39

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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.