Home / 2,851.15-3,934.17-1,672.60

Finding the Fourth Proportional to 2,851.15, 3,934.17 and 1,672.60

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Solution

The fourth proportional to 2,851.15, 3,934.17 and 1,672.60 is: 2,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.15 : 3,934.17 = 1,672.60 : x
  2. Step 2: Convert to fraction form
    2,851.15/3,934.17 = 1,672.60/x
  3. Step 3: Cross multiply
    2,851.15x = 3,934.17 × 1,672.60
  4. Step 4: Simplify right side
    2,851.15x = 6,580,292.74
  5. Step 5: Solve for x
    x = 6,580,292.74/2,851.15
  6. Step 6: Final answer
    x = 2,307.94

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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.