Home / 4,081.45-6,129.60-2,441.20

Finding the Fourth Proportional to 4,081.45, 6,129.60 and 2,441.20

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Solution

The fourth proportional to 4,081.45, 6,129.60 and 2,441.20 is: 3,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.45 : 6,129.60 = 2,441.20 : x
  2. Step 2: Convert to fraction form
    4,081.45/6,129.60 = 2,441.20/x
  3. Step 3: Cross multiply
    4,081.45x = 6,129.60 × 2,441.20
  4. Step 4: Simplify right side
    4,081.45x = 14,963,579.52
  5. Step 5: Solve for x
    x = 14,963,579.52/4,081.45
  6. Step 6: Final answer
    x = 3,666.24

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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.