Home / 2,767.32-3,816.18-2,347.20

Finding the Fourth Proportional to 2,767.32, 3,816.18 and 2,347.20

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Solution

The fourth proportional to 2,767.32, 3,816.18 and 2,347.20 is: 3,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.32 : 3,816.18 = 2,347.20 : x
  2. Step 2: Convert to fraction form
    2,767.32/3,816.18 = 2,347.20/x
  3. Step 3: Cross multiply
    2,767.32x = 3,816.18 × 2,347.20
  4. Step 4: Simplify right side
    2,767.32x = 8,957,337.70
  5. Step 5: Solve for x
    x = 8,957,337.70/2,767.32
  6. Step 6: Final answer
    x = 3,236.83

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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.