Home / 2,721.69-3,746.45-2,371.77

Finding the Fourth Proportional to 2,721.69, 3,746.45 and 2,371.77

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Solution

The fourth proportional to 2,721.69, 3,746.45 and 2,371.77 is: 3,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.69 : 3,746.45 = 2,371.77 : x
  2. Step 2: Convert to fraction form
    2,721.69/3,746.45 = 2,371.77/x
  3. Step 3: Cross multiply
    2,721.69x = 3,746.45 × 2,371.77
  4. Step 4: Simplify right side
    2,721.69x = 8,885,723.65
  5. Step 5: Solve for x
    x = 8,885,723.65/2,721.69
  6. Step 6: Final answer
    x = 3,264.78

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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.