Home / 2,601.14-3,902.70-1,561.87

Finding the Fourth Proportional to 2,601.14, 3,902.70 and 1,561.87

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Solution

The fourth proportional to 2,601.14, 3,902.70 and 1,561.87 is: 2,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.14 : 3,902.70 = 1,561.87 : x
  2. Step 2: Convert to fraction form
    2,601.14/3,902.70 = 1,561.87/x
  3. Step 3: Cross multiply
    2,601.14x = 3,902.70 × 1,561.87
  4. Step 4: Simplify right side
    2,601.14x = 6,095,494.44
  5. Step 5: Solve for x
    x = 6,095,494.44/2,601.14
  6. Step 6: Final answer
    x = 2,343.39

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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.