Home / 3,458.57-5,188.64-1,267.29

Finding the Fourth Proportional to 3,458.57, 5,188.64 and 1,267.29

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Solution

The fourth proportional to 3,458.57, 5,188.64 and 1,267.29 is: 1,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.57 : 5,188.64 = 1,267.29 : x
  2. Step 2: Convert to fraction form
    3,458.57/5,188.64 = 1,267.29/x
  3. Step 3: Cross multiply
    3,458.57x = 5,188.64 × 1,267.29
  4. Step 4: Simplify right side
    3,458.57x = 6,575,505.25
  5. Step 5: Solve for x
    x = 6,575,505.25/3,458.57
  6. Step 6: Final answer
    x = 1,901.22

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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.