Home / 4,272.78-5,896.58-2,480.12

Finding the Fourth Proportional to 4,272.78, 5,896.58 and 2,480.12

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Solution

The fourth proportional to 4,272.78, 5,896.58 and 2,480.12 is: 3,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.78 : 5,896.58 = 2,480.12 : x
  2. Step 2: Convert to fraction form
    4,272.78/5,896.58 = 2,480.12/x
  3. Step 3: Cross multiply
    4,272.78x = 5,896.58 × 2,480.12
  4. Step 4: Simplify right side
    4,272.78x = 14,624,246.36
  5. Step 5: Solve for x
    x = 14,624,246.36/4,272.78
  6. Step 6: Final answer
    x = 3,422.65

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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.