Home / 2,717.36-4,074.64-1,330.08

Finding the Fourth Proportional to 2,717.36, 4,074.64 and 1,330.08

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Solution

The fourth proportional to 2,717.36, 4,074.64 and 1,330.08 is: 1,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.36 : 4,074.64 = 1,330.08 : x
  2. Step 2: Convert to fraction form
    2,717.36/4,074.64 = 1,330.08/x
  3. Step 3: Cross multiply
    2,717.36x = 4,074.64 × 1,330.08
  4. Step 4: Simplify right side
    2,717.36x = 5,419,597.17
  5. Step 5: Solve for x
    x = 5,419,597.17/2,717.36
  6. Step 6: Final answer
    x = 1,994.43

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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.