Home / 4,148.85-5,724.77-2,380.11

Finding the Fourth Proportional to 4,148.85, 5,724.77 and 2,380.11

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Solution

The fourth proportional to 4,148.85, 5,724.77 and 2,380.11 is: 3,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.85 : 5,724.77 = 2,380.11 : x
  2. Step 2: Convert to fraction form
    4,148.85/5,724.77 = 2,380.11/x
  3. Step 3: Cross multiply
    4,148.85x = 5,724.77 × 2,380.11
  4. Step 4: Simplify right side
    4,148.85x = 13,625,600.92
  5. Step 5: Solve for x
    x = 13,625,600.92/4,148.85
  6. Step 6: Final answer
    x = 3,284.19

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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.