Home / 2,864.35-3,952.73-1,605.41

Finding the Fourth Proportional to 2,864.35, 3,952.73 and 1,605.41

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Solution

The fourth proportional to 2,864.35, 3,952.73 and 1,605.41 is: 2,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.35 : 3,952.73 = 1,605.41 : x
  2. Step 2: Convert to fraction form
    2,864.35/3,952.73 = 1,605.41/x
  3. Step 3: Cross multiply
    2,864.35x = 3,952.73 × 1,605.41
  4. Step 4: Simplify right side
    2,864.35x = 6,345,752.27
  5. Step 5: Solve for x
    x = 6,345,752.27/2,864.35
  6. Step 6: Final answer
    x = 2,215.42

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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.