Home / 3,066.05-4,598.30-874.79

Finding the Fourth Proportional to 3,066.05, 4,598.30 and 874.79

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Solution

The fourth proportional to 3,066.05, 4,598.30 and 874.79 is: 1,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.05 : 4,598.30 = 874.79 : x
  2. Step 2: Convert to fraction form
    3,066.05/4,598.30 = 874.79/x
  3. Step 3: Cross multiply
    3,066.05x = 4,598.30 × 874.79
  4. Step 4: Simplify right side
    3,066.05x = 4,022,560.54
  5. Step 5: Solve for x
    x = 4,022,560.54/3,066.05
  6. Step 6: Final answer
    x = 1,311.97

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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.