Home / 2,609.17-3,912.02-1,439.73

Finding the Fourth Proportional to 2,609.17, 3,912.02 and 1,439.73

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Solution

The fourth proportional to 2,609.17, 3,912.02 and 1,439.73 is: 2,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.17 : 3,912.02 = 1,439.73 : x
  2. Step 2: Convert to fraction form
    2,609.17/3,912.02 = 1,439.73/x
  3. Step 3: Cross multiply
    2,609.17x = 3,912.02 × 1,439.73
  4. Step 4: Simplify right side
    2,609.17x = 5,632,265.81
  5. Step 5: Solve for x
    x = 5,632,265.81/2,609.17
  6. Step 6: Final answer
    x = 2,158.64

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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.