Home / 3,089.62-4,633.87-1,240.66

Finding the Fourth Proportional to 3,089.62, 4,633.87 and 1,240.66

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Solution

The fourth proportional to 3,089.62, 4,633.87 and 1,240.66 is: 1,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.62 : 4,633.87 = 1,240.66 : x
  2. Step 2: Convert to fraction form
    3,089.62/4,633.87 = 1,240.66/x
  3. Step 3: Cross multiply
    3,089.62x = 4,633.87 × 1,240.66
  4. Step 4: Simplify right side
    3,089.62x = 5,749,057.15
  5. Step 5: Solve for x
    x = 5,749,057.15/3,089.62
  6. Step 6: Final answer
    x = 1,860.77

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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.