Home / 3,351.18-5,027.16-1,272.75

Finding the Fourth Proportional to 3,351.18, 5,027.16 and 1,272.75

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Solution

The fourth proportional to 3,351.18, 5,027.16 and 1,272.75 is: 1,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.18 : 5,027.16 = 1,272.75 : x
  2. Step 2: Convert to fraction form
    3,351.18/5,027.16 = 1,272.75/x
  3. Step 3: Cross multiply
    3,351.18x = 5,027.16 × 1,272.75
  4. Step 4: Simplify right side
    3,351.18x = 6,398,303.81
  5. Step 5: Solve for x
    x = 6,398,303.81/3,351.18
  6. Step 6: Final answer
    x = 1,909.27

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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.