Home / 3,217.79-4,443.14-2,586.30

Finding the Fourth Proportional to 3,217.79, 4,443.14 and 2,586.30

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Solution

The fourth proportional to 3,217.79, 4,443.14 and 2,586.30 is: 3,571.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.79 : 4,443.14 = 2,586.30 : x
  2. Step 2: Convert to fraction form
    3,217.79/4,443.14 = 2,586.30/x
  3. Step 3: Cross multiply
    3,217.79x = 4,443.14 × 2,586.30
  4. Step 4: Simplify right side
    3,217.79x = 11,491,268.24
  5. Step 5: Solve for x
    x = 11,491,268.24/3,217.79
  6. Step 6: Final answer
    x = 3,571.17

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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.