Home / 4,119.07-5,684.27-2,230.61

Finding the Fourth Proportional to 4,119.07, 5,684.27 and 2,230.61

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Solution

The fourth proportional to 4,119.07, 5,684.27 and 2,230.61 is: 3,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.07 : 5,684.27 = 2,230.61 : x
  2. Step 2: Convert to fraction form
    4,119.07/5,684.27 = 2,230.61/x
  3. Step 3: Cross multiply
    4,119.07x = 5,684.27 × 2,230.61
  4. Step 4: Simplify right side
    4,119.07x = 12,679,389.50
  5. Step 5: Solve for x
    x = 12,679,389.50/4,119.07
  6. Step 6: Final answer
    x = 3,078.22

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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.