Home / 2,011.44-2,775.30-1,171.64

Finding the Fourth Proportional to 2,011.44, 2,775.30 and 1,171.64

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Solution

The fourth proportional to 2,011.44, 2,775.30 and 1,171.64 is: 1,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.44 : 2,775.30 = 1,171.64 : x
  2. Step 2: Convert to fraction form
    2,011.44/2,775.30 = 1,171.64/x
  3. Step 3: Cross multiply
    2,011.44x = 2,775.30 × 1,171.64
  4. Step 4: Simplify right side
    2,011.44x = 3,251,652.49
  5. Step 5: Solve for x
    x = 3,251,652.49/2,011.44
  6. Step 6: Final answer
    x = 1,616.58

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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.