Home / 3,809.52-5,715.65-2,767.76

Finding the Fourth Proportional to 3,809.52, 5,715.65 and 2,767.76

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Solution

The fourth proportional to 3,809.52, 5,715.65 and 2,767.76 is: 4,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.52 : 5,715.65 = 2,767.76 : x
  2. Step 2: Convert to fraction form
    3,809.52/5,715.65 = 2,767.76/x
  3. Step 3: Cross multiply
    3,809.52x = 5,715.65 × 2,767.76
  4. Step 4: Simplify right side
    3,809.52x = 15,819,568.65
  5. Step 5: Solve for x
    x = 15,819,568.65/3,809.52
  6. Step 6: Final answer
    x = 4,152.64

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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.