Home / 2,328.78-3,209.94-1,855.92

Finding the Fourth Proportional to 2,328.78, 3,209.94 and 1,855.92

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Solution

The fourth proportional to 2,328.78, 3,209.94 and 1,855.92 is: 2,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.78 : 3,209.94 = 1,855.92 : x
  2. Step 2: Convert to fraction form
    2,328.78/3,209.94 = 1,855.92/x
  3. Step 3: Cross multiply
    2,328.78x = 3,209.94 × 1,855.92
  4. Step 4: Simplify right side
    2,328.78x = 5,957,391.84
  5. Step 5: Solve for x
    x = 5,957,391.84/2,328.78
  6. Step 6: Final answer
    x = 2,558.16

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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.