Home / 3,845.52-5,769.90-2,612.16

Finding the Fourth Proportional to 3,845.52, 5,769.90 and 2,612.16

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Solution

The fourth proportional to 3,845.52, 5,769.90 and 2,612.16 is: 3,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.52 : 5,769.90 = 2,612.16 : x
  2. Step 2: Convert to fraction form
    3,845.52/5,769.90 = 2,612.16/x
  3. Step 3: Cross multiply
    3,845.52x = 5,769.90 × 2,612.16
  4. Step 4: Simplify right side
    3,845.52x = 15,071,901.98
  5. Step 5: Solve for x
    x = 15,071,901.98/3,845.52
  6. Step 6: Final answer
    x = 3,919.34

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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.