Home / 2,609.28-3,601.26-1,561.95

Finding the Fourth Proportional to 2,609.28, 3,601.26 and 1,561.95

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Solution

The fourth proportional to 2,609.28, 3,601.26 and 1,561.95 is: 2,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.28 : 3,601.26 = 1,561.95 : x
  2. Step 2: Convert to fraction form
    2,609.28/3,601.26 = 1,561.95/x
  3. Step 3: Cross multiply
    2,609.28x = 3,601.26 × 1,561.95
  4. Step 4: Simplify right side
    2,609.28x = 5,624,988.06
  5. Step 5: Solve for x
    x = 5,624,988.06/2,609.28
  6. Step 6: Final answer
    x = 2,155.76

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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.