Home / 3,912.81-5,870.90-2,597.02

Finding the Fourth Proportional to 3,912.81, 5,870.90 and 2,597.02

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Solution

The fourth proportional to 3,912.81, 5,870.90 and 2,597.02 is: 3,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.81 : 5,870.90 = 2,597.02 : x
  2. Step 2: Convert to fraction form
    3,912.81/5,870.90 = 2,597.02/x
  3. Step 3: Cross multiply
    3,912.81x = 5,870.90 × 2,597.02
  4. Step 4: Simplify right side
    3,912.81x = 15,246,868.68
  5. Step 5: Solve for x
    x = 15,246,868.68/3,912.81
  6. Step 6: Final answer
    x = 3,896.65

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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.