Home / 2,851.41-3,934.92-1,656.30

Finding the Fourth Proportional to 2,851.41, 3,934.92 and 1,656.30

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Solution

The fourth proportional to 2,851.41, 3,934.92 and 1,656.30 is: 2,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.41 : 3,934.92 = 1,656.30 : x
  2. Step 2: Convert to fraction form
    2,851.41/3,934.92 = 1,656.30/x
  3. Step 3: Cross multiply
    2,851.41x = 3,934.92 × 1,656.30
  4. Step 4: Simplify right side
    2,851.41x = 6,517,408.00
  5. Step 5: Solve for x
    x = 6,517,408.00/2,851.41
  6. Step 6: Final answer
    x = 2,285.68

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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.