Home / 4,069.29-5,615.43-2,391.12

Finding the Fourth Proportional to 4,069.29, 5,615.43 and 2,391.12

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Solution

The fourth proportional to 4,069.29, 5,615.43 and 2,391.12 is: 3,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.29 : 5,615.43 = 2,391.12 : x
  2. Step 2: Convert to fraction form
    4,069.29/5,615.43 = 2,391.12/x
  3. Step 3: Cross multiply
    4,069.29x = 5,615.43 × 2,391.12
  4. Step 4: Simplify right side
    4,069.29x = 13,427,166.98
  5. Step 5: Solve for x
    x = 13,427,166.98/4,069.29
  6. Step 6: Final answer
    x = 3,299.63

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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.