Home / 2,727.48-4,091.13-2,186.19

Finding the Fourth Proportional to 2,727.48, 4,091.13 and 2,186.19

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Solution

The fourth proportional to 2,727.48, 4,091.13 and 2,186.19 is: 3,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.48 : 4,091.13 = 2,186.19 : x
  2. Step 2: Convert to fraction form
    2,727.48/4,091.13 = 2,186.19/x
  3. Step 3: Cross multiply
    2,727.48x = 4,091.13 × 2,186.19
  4. Step 4: Simplify right side
    2,727.48x = 8,943,987.49
  5. Step 5: Solve for x
    x = 8,943,987.49/2,727.48
  6. Step 6: Final answer
    x = 3,279.21

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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.