Home / 2,717.72-4,071.40-1,465.21

Finding the Fourth Proportional to 2,717.72, 4,071.40 and 1,465.21

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Solution

The fourth proportional to 2,717.72, 4,071.40 and 1,465.21 is: 2,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.72 : 4,071.40 = 1,465.21 : x
  2. Step 2: Convert to fraction form
    2,717.72/4,071.40 = 1,465.21/x
  3. Step 3: Cross multiply
    2,717.72x = 4,071.40 × 1,465.21
  4. Step 4: Simplify right side
    2,717.72x = 5,965,445.97
  5. Step 5: Solve for x
    x = 5,965,445.97/2,717.72
  6. Step 6: Final answer
    x = 2,195.02

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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.