Home / 4,108.78-5,670.19-2,245.74

Finding the Fourth Proportional to 4,108.78, 5,670.19 and 2,245.74

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Solution

The fourth proportional to 4,108.78, 5,670.19 and 2,245.74 is: 3,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.78 : 5,670.19 = 2,245.74 : x
  2. Step 2: Convert to fraction form
    4,108.78/5,670.19 = 2,245.74/x
  3. Step 3: Cross multiply
    4,108.78x = 5,670.19 × 2,245.74
  4. Step 4: Simplify right side
    4,108.78x = 12,733,772.49
  5. Step 5: Solve for x
    x = 12,733,772.49/4,108.78
  6. Step 6: Final answer
    x = 3,099.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.