Home / 2,156.11-2,976.57-1,451.66

Finding the Fourth Proportional to 2,156.11, 2,976.57 and 1,451.66

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Solution

The fourth proportional to 2,156.11, 2,976.57 and 1,451.66 is: 2,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.11 : 2,976.57 = 1,451.66 : x
  2. Step 2: Convert to fraction form
    2,156.11/2,976.57 = 1,451.66/x
  3. Step 3: Cross multiply
    2,156.11x = 2,976.57 × 1,451.66
  4. Step 4: Simplify right side
    2,156.11x = 4,320,945.47
  5. Step 5: Solve for x
    x = 4,320,945.47/2,156.11
  6. Step 6: Final answer
    x = 2,004.05

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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.