Home / 3,450.95-5,168.16-1,888.61

Finding the Fourth Proportional to 3,450.95, 5,168.16 and 1,888.61

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Solution

The fourth proportional to 3,450.95, 5,168.16 and 1,888.61 is: 2,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.95 : 5,168.16 = 1,888.61 : x
  2. Step 2: Convert to fraction form
    3,450.95/5,168.16 = 1,888.61/x
  3. Step 3: Cross multiply
    3,450.95x = 5,168.16 × 1,888.61
  4. Step 4: Simplify right side
    3,450.95x = 9,760,638.66
  5. Step 5: Solve for x
    x = 9,760,638.66/3,450.95
  6. Step 6: Final answer
    x = 2,828.39

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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.