Home / 3,794.92-5,236.62-2,800.74

Finding the Fourth Proportional to 3,794.92, 5,236.62 and 2,800.74

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Solution

The fourth proportional to 3,794.92, 5,236.62 and 2,800.74 is: 3,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.92 : 5,236.62 = 2,800.74 : x
  2. Step 2: Convert to fraction form
    3,794.92/5,236.62 = 2,800.74/x
  3. Step 3: Cross multiply
    3,794.92x = 5,236.62 × 2,800.74
  4. Step 4: Simplify right side
    3,794.92x = 14,666,411.10
  5. Step 5: Solve for x
    x = 14,666,411.10/3,794.92
  6. Step 6: Final answer
    x = 3,864.75

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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.