Home / 3,118.03-4,681.11-2,084.66

Finding the Fourth Proportional to 3,118.03, 4,681.11 and 2,084.66

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Solution

The fourth proportional to 3,118.03, 4,681.11 and 2,084.66 is: 3,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.03 : 4,681.11 = 2,084.66 : x
  2. Step 2: Convert to fraction form
    3,118.03/4,681.11 = 2,084.66/x
  3. Step 3: Cross multiply
    3,118.03x = 4,681.11 × 2,084.66
  4. Step 4: Simplify right side
    3,118.03x = 9,758,522.77
  5. Step 5: Solve for x
    x = 9,758,522.77/3,118.03
  6. Step 6: Final answer
    x = 3,129.71

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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.