Home / 3,846.25-5,307.85-2,253.84

Finding the Fourth Proportional to 3,846.25, 5,307.85 and 2,253.84

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Solution

The fourth proportional to 3,846.25, 5,307.85 and 2,253.84 is: 3,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.25 : 5,307.85 = 2,253.84 : x
  2. Step 2: Convert to fraction form
    3,846.25/5,307.85 = 2,253.84/x
  3. Step 3: Cross multiply
    3,846.25x = 5,307.85 × 2,253.84
  4. Step 4: Simplify right side
    3,846.25x = 11,963,044.64
  5. Step 5: Solve for x
    x = 11,963,044.64/3,846.25
  6. Step 6: Final answer
    x = 3,110.31

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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.