Home / 2,851.07-3,934.44-1,671.92

Finding the Fourth Proportional to 2,851.07, 3,934.44 and 1,671.92

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Solution

The fourth proportional to 2,851.07, 3,934.44 and 1,671.92 is: 2,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.07 : 3,934.44 = 1,671.92 : x
  2. Step 2: Convert to fraction form
    2,851.07/3,934.44 = 1,671.92/x
  3. Step 3: Cross multiply
    2,851.07x = 3,934.44 × 1,671.92
  4. Step 4: Simplify right side
    2,851.07x = 6,578,049.25
  5. Step 5: Solve for x
    x = 6,578,049.25/2,851.07
  6. Step 6: Final answer
    x = 2,307.23

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1.5x scale

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.