Home / 3,719.34-5,127.21-2,833.61

Finding the Fourth Proportional to 3,719.34, 5,127.21 and 2,833.61

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Solution

The fourth proportional to 3,719.34, 5,127.21 and 2,833.61 is: 3,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.34 : 5,127.21 = 2,833.61 : x
  2. Step 2: Convert to fraction form
    3,719.34/5,127.21 = 2,833.61/x
  3. Step 3: Cross multiply
    3,719.34x = 5,127.21 × 2,833.61
  4. Step 4: Simplify right side
    3,719.34x = 14,528,487.89
  5. Step 5: Solve for x
    x = 14,528,487.89/3,719.34
  6. Step 6: Final answer
    x = 3,906.20

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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.