Home / 2,723.43-3,753.77-2,085.15

Finding the Fourth Proportional to 2,723.43, 3,753.77 and 2,085.15

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Solution

The fourth proportional to 2,723.43, 3,753.77 and 2,085.15 is: 2,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.43 : 3,753.77 = 2,085.15 : x
  2. Step 2: Convert to fraction form
    2,723.43/3,753.77 = 2,085.15/x
  3. Step 3: Cross multiply
    2,723.43x = 3,753.77 × 2,085.15
  4. Step 4: Simplify right side
    2,723.43x = 7,827,163.09
  5. Step 5: Solve for x
    x = 7,827,163.09/2,723.43
  6. Step 6: Final answer
    x = 2,874.01

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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.