Home / 2,765.77-4,150.20-1,304.92

Finding the Fourth Proportional to 2,765.77, 4,150.20 and 1,304.92

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Solution

The fourth proportional to 2,765.77, 4,150.20 and 1,304.92 is: 1,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.77 : 4,150.20 = 1,304.92 : x
  2. Step 2: Convert to fraction form
    2,765.77/4,150.20 = 1,304.92/x
  3. Step 3: Cross multiply
    2,765.77x = 4,150.20 × 1,304.92
  4. Step 4: Simplify right side
    2,765.77x = 5,415,678.98
  5. Step 5: Solve for x
    x = 5,415,678.98/2,765.77
  6. Step 6: Final answer
    x = 1,958.11

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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.