Home / 3,846.39-5,307.02-2,353.76

Finding the Fourth Proportional to 3,846.39, 5,307.02 and 2,353.76

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Solution

The fourth proportional to 3,846.39, 5,307.02 and 2,353.76 is: 3,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.39 : 5,307.02 = 2,353.76 : x
  2. Step 2: Convert to fraction form
    3,846.39/5,307.02 = 2,353.76/x
  3. Step 3: Cross multiply
    3,846.39x = 5,307.02 × 2,353.76
  4. Step 4: Simplify right side
    3,846.39x = 12,491,441.82
  5. Step 5: Solve for x
    x = 12,491,441.82/3,846.39
  6. Step 6: Final answer
    x = 3,247.58

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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.