Home / 3,423.77-5,133.38-2,766.45

Finding the Fourth Proportional to 3,423.77, 5,133.38 and 2,766.45

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Solution

The fourth proportional to 3,423.77, 5,133.38 and 2,766.45 is: 4,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.77 : 5,133.38 = 2,766.45 : x
  2. Step 2: Convert to fraction form
    3,423.77/5,133.38 = 2,766.45/x
  3. Step 3: Cross multiply
    3,423.77x = 5,133.38 × 2,766.45
  4. Step 4: Simplify right side
    3,423.77x = 14,201,244.52
  5. Step 5: Solve for x
    x = 14,201,244.52/3,423.77
  6. Step 6: Final answer
    x = 4,147.84

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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.