Home / 3,370.60-5,053.87-1,261.36

Finding the Fourth Proportional to 3,370.60, 5,053.87 and 1,261.36

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Solution

The fourth proportional to 3,370.60, 5,053.87 and 1,261.36 is: 1,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.60 : 5,053.87 = 1,261.36 : x
  2. Step 2: Convert to fraction form
    3,370.60/5,053.87 = 1,261.36/x
  3. Step 3: Cross multiply
    3,370.60x = 5,053.87 × 1,261.36
  4. Step 4: Simplify right side
    3,370.60x = 6,374,749.46
  5. Step 5: Solve for x
    x = 6,374,749.46/3,370.60
  6. Step 6: Final answer
    x = 1,891.28

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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.