Home / 3,846.08-5,307.64-2,274.16

Finding the Fourth Proportional to 3,846.08, 5,307.64 and 2,274.16

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Solution

The fourth proportional to 3,846.08, 5,307.64 and 2,274.16 is: 3,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.08 : 5,307.64 = 2,274.16 : x
  2. Step 2: Convert to fraction form
    3,846.08/5,307.64 = 2,274.16/x
  3. Step 3: Cross multiply
    3,846.08x = 5,307.64 × 2,274.16
  4. Step 4: Simplify right side
    3,846.08x = 12,070,422.58
  5. Step 5: Solve for x
    x = 12,070,422.58/3,846.08
  6. Step 6: Final answer
    x = 3,138.37

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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.