Home / 2,647.50-3,653.64-1,717.62

Finding the Fourth Proportional to 2,647.50, 3,653.64 and 1,717.62

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Solution

The fourth proportional to 2,647.50, 3,653.64 and 1,717.62 is: 2,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.50 : 3,653.64 = 1,717.62 : x
  2. Step 2: Convert to fraction form
    2,647.50/3,653.64 = 1,717.62/x
  3. Step 3: Cross multiply
    2,647.50x = 3,653.64 × 1,717.62
  4. Step 4: Simplify right side
    2,647.50x = 6,275,565.14
  5. Step 5: Solve for x
    x = 6,275,565.14/2,647.50
  6. Step 6: Final answer
    x = 2,370.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.