Home / 3,079.15-4,618.68-2,089.51

Finding the Fourth Proportional to 3,079.15, 4,618.68 and 2,089.51

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Solution

The fourth proportional to 3,079.15, 4,618.68 and 2,089.51 is: 3,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.15 : 4,618.68 = 2,089.51 : x
  2. Step 2: Convert to fraction form
    3,079.15/4,618.68 = 2,089.51/x
  3. Step 3: Cross multiply
    3,079.15x = 4,618.68 × 2,089.51
  4. Step 4: Simplify right side
    3,079.15x = 9,650,778.05
  5. Step 5: Solve for x
    x = 9,650,778.05/3,079.15
  6. Step 6: Final answer
    x = 3,134.24

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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.