Home / 3,325.48-4,981.82-1,860.18

Finding the Fourth Proportional to 3,325.48, 4,981.82 and 1,860.18

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Solution

The fourth proportional to 3,325.48, 4,981.82 and 1,860.18 is: 2,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.48 : 4,981.82 = 1,860.18 : x
  2. Step 2: Convert to fraction form
    3,325.48/4,981.82 = 1,860.18/x
  3. Step 3: Cross multiply
    3,325.48x = 4,981.82 × 1,860.18
  4. Step 4: Simplify right side
    3,325.48x = 9,267,081.93
  5. Step 5: Solve for x
    x = 9,267,081.93/3,325.48
  6. Step 6: Final answer
    x = 2,786.69

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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.