Home / 2,046.28-3,066.78-746.20

Finding the Fourth Proportional to 2,046.28, 3,066.78 and 746.20

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Solution

The fourth proportional to 2,046.28, 3,066.78 and 746.20 is: 1,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.28 : 3,066.78 = 746.20 : x
  2. Step 2: Convert to fraction form
    2,046.28/3,066.78 = 746.20/x
  3. Step 3: Cross multiply
    2,046.28x = 3,066.78 × 746.20
  4. Step 4: Simplify right side
    2,046.28x = 2,288,431.24
  5. Step 5: Solve for x
    x = 2,288,431.24/2,046.28
  6. Step 6: Final answer
    x = 1,118.34

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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.