Home / 2,746.32-3,791.65-2,115.66

Finding the Fourth Proportional to 2,746.32, 3,791.65 and 2,115.66

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Solution

The fourth proportional to 2,746.32, 3,791.65 and 2,115.66 is: 2,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.32 : 3,791.65 = 2,115.66 : x
  2. Step 2: Convert to fraction form
    2,746.32/3,791.65 = 2,115.66/x
  3. Step 3: Cross multiply
    2,746.32x = 3,791.65 × 2,115.66
  4. Step 4: Simplify right side
    2,746.32x = 8,021,842.24
  5. Step 5: Solve for x
    x = 8,021,842.24/2,746.32
  6. Step 6: Final answer
    x = 2,920.94

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1.5x scale

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.