Home / 2,717.16-4,070.42-1,789.88

Finding the Fourth Proportional to 2,717.16, 4,070.42 and 1,789.88

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Solution

The fourth proportional to 2,717.16, 4,070.42 and 1,789.88 is: 2,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.16 : 4,070.42 = 1,789.88 : x
  2. Step 2: Convert to fraction form
    2,717.16/4,070.42 = 1,789.88/x
  3. Step 3: Cross multiply
    2,717.16x = 4,070.42 × 1,789.88
  4. Step 4: Simplify right side
    2,717.16x = 7,285,563.35
  5. Step 5: Solve for x
    x = 7,285,563.35/2,717.16
  6. Step 6: Final answer
    x = 2,681.32

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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.