Home / 2,772.38-4,147.16-2,529.07

Finding the Fourth Proportional to 2,772.38, 4,147.16 and 2,529.07

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Solution

The fourth proportional to 2,772.38, 4,147.16 and 2,529.07 is: 3,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.38 : 4,147.16 = 2,529.07 : x
  2. Step 2: Convert to fraction form
    2,772.38/4,147.16 = 2,529.07/x
  3. Step 3: Cross multiply
    2,772.38x = 4,147.16 × 2,529.07
  4. Step 4: Simplify right side
    2,772.38x = 10,488,437.21
  5. Step 5: Solve for x
    x = 10,488,437.21/2,772.38
  6. Step 6: Final answer
    x = 3,783.20

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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.