Home / 3,419.24-5,126.10-1,226.60

Finding the Fourth Proportional to 3,419.24, 5,126.10 and 1,226.60

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Solution

The fourth proportional to 3,419.24, 5,126.10 and 1,226.60 is: 1,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.24 : 5,126.10 = 1,226.60 : x
  2. Step 2: Convert to fraction form
    3,419.24/5,126.10 = 1,226.60/x
  3. Step 3: Cross multiply
    3,419.24x = 5,126.10 × 1,226.60
  4. Step 4: Simplify right side
    3,419.24x = 6,287,674.26
  5. Step 5: Solve for x
    x = 6,287,674.26/3,419.24
  6. Step 6: Final answer
    x = 1,838.91

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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.