Home / 2,151.48-3,232.76-2,091.27

Finding the Fourth Proportional to 2,151.48, 3,232.76 and 2,091.27

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Solution

The fourth proportional to 2,151.48, 3,232.76 and 2,091.27 is: 3,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.48 : 3,232.76 = 2,091.27 : x
  2. Step 2: Convert to fraction form
    2,151.48/3,232.76 = 2,091.27/x
  3. Step 3: Cross multiply
    2,151.48x = 3,232.76 × 2,091.27
  4. Step 4: Simplify right side
    2,151.48x = 6,760,574.01
  5. Step 5: Solve for x
    x = 6,760,574.01/2,151.48
  6. Step 6: Final answer
    x = 3,142.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.