Home / 3,015.17-4,516.57-1,778.84

Finding the Fourth Proportional to 3,015.17, 4,516.57 and 1,778.84

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Solution

The fourth proportional to 3,015.17, 4,516.57 and 1,778.84 is: 2,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.17 : 4,516.57 = 1,778.84 : x
  2. Step 2: Convert to fraction form
    3,015.17/4,516.57 = 1,778.84/x
  3. Step 3: Cross multiply
    3,015.17x = 4,516.57 × 1,778.84
  4. Step 4: Simplify right side
    3,015.17x = 8,034,255.38
  5. Step 5: Solve for x
    x = 8,034,255.38/3,015.17
  6. Step 6: Final answer
    x = 2,664.61

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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.