Home / 3,626.19-5,431.47-2,449.72

Finding the Fourth Proportional to 3,626.19, 5,431.47 and 2,449.72

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Solution

The fourth proportional to 3,626.19, 5,431.47 and 2,449.72 is: 3,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.19 : 5,431.47 = 2,449.72 : x
  2. Step 2: Convert to fraction form
    3,626.19/5,431.47 = 2,449.72/x
  3. Step 3: Cross multiply
    3,626.19x = 5,431.47 × 2,449.72
  4. Step 4: Simplify right side
    3,626.19x = 13,305,580.69
  5. Step 5: Solve for x
    x = 13,305,580.69/3,626.19
  6. Step 6: Final answer
    x = 3,669.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.