Home / 3,648.36-5,474.04-1,308.66

Finding the Fourth Proportional to 3,648.36, 5,474.04 and 1,308.66

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Solution

The fourth proportional to 3,648.36, 5,474.04 and 1,308.66 is: 1,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.36 : 5,474.04 = 1,308.66 : x
  2. Step 2: Convert to fraction form
    3,648.36/5,474.04 = 1,308.66/x
  3. Step 3: Cross multiply
    3,648.36x = 5,474.04 × 1,308.66
  4. Step 4: Simplify right side
    3,648.36x = 7,163,657.19
  5. Step 5: Solve for x
    x = 7,163,657.19/3,648.36
  6. Step 6: Final answer
    x = 1,963.53

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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.