Home / 3,463.74-5,195.45-1,272.31

Finding the Fourth Proportional to 3,463.74, 5,195.45 and 1,272.31

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Solution

The fourth proportional to 3,463.74, 5,195.45 and 1,272.31 is: 1,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.74 : 5,195.45 = 1,272.31 : x
  2. Step 2: Convert to fraction form
    3,463.74/5,195.45 = 1,272.31/x
  3. Step 3: Cross multiply
    3,463.74x = 5,195.45 × 1,272.31
  4. Step 4: Simplify right side
    3,463.74x = 6,610,213.18
  5. Step 5: Solve for x
    x = 6,610,213.18/3,463.74
  6. Step 6: Final answer
    x = 1,908.40

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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.