Home / 3,451.77-5,178.60-2,926.35

Finding the Fourth Proportional to 3,451.77, 5,178.60 and 2,926.35

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Solution

The fourth proportional to 3,451.77, 5,178.60 and 2,926.35 is: 4,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.77 : 5,178.60 = 2,926.35 : x
  2. Step 2: Convert to fraction form
    3,451.77/5,178.60 = 2,926.35/x
  3. Step 3: Cross multiply
    3,451.77x = 5,178.60 × 2,926.35
  4. Step 4: Simplify right side
    3,451.77x = 15,154,396.11
  5. Step 5: Solve for x
    x = 15,154,396.11/3,451.77
  6. Step 6: Final answer
    x = 4,390.33

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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.