Home / 2,255.84-3,386.64-1,230.56

Finding the Fourth Proportional to 2,255.84, 3,386.64 and 1,230.56

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Solution

The fourth proportional to 2,255.84, 3,386.64 and 1,230.56 is: 1,847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.84 : 3,386.64 = 1,230.56 : x
  2. Step 2: Convert to fraction form
    2,255.84/3,386.64 = 1,230.56/x
  3. Step 3: Cross multiply
    2,255.84x = 3,386.64 × 1,230.56
  4. Step 4: Simplify right side
    2,255.84x = 4,167,463.72
  5. Step 5: Solve for x
    x = 4,167,463.72/2,255.84
  6. Step 6: Final answer
    x = 1,847.41

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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.