Home / 2,708.39-4,061.21-1,830.87

Finding the Fourth Proportional to 2,708.39, 4,061.21 and 1,830.87

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Solution

The fourth proportional to 2,708.39, 4,061.21 and 1,830.87 is: 2,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.39 : 4,061.21 = 1,830.87 : x
  2. Step 2: Convert to fraction form
    2,708.39/4,061.21 = 1,830.87/x
  3. Step 3: Cross multiply
    2,708.39x = 4,061.21 × 1,830.87
  4. Step 4: Simplify right side
    2,708.39x = 7,435,538.40
  5. Step 5: Solve for x
    x = 7,435,538.40/2,708.39
  6. Step 6: Final answer
    x = 2,745.37

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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.