Home / 3,328.03-4,988.66-2,158.77

Finding the Fourth Proportional to 3,328.03, 4,988.66 and 2,158.77

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Solution

The fourth proportional to 3,328.03, 4,988.66 and 2,158.77 is: 3,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.03 : 4,988.66 = 2,158.77 : x
  2. Step 2: Convert to fraction form
    3,328.03/4,988.66 = 2,158.77/x
  3. Step 3: Cross multiply
    3,328.03x = 4,988.66 × 2,158.77
  4. Step 4: Simplify right side
    3,328.03x = 10,769,369.55
  5. Step 5: Solve for x
    x = 10,769,369.55/3,328.03
  6. Step 6: Final answer
    x = 3,235.96

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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.