Home / 4,319.05-5,961.35-2,830.57

Finding the Fourth Proportional to 4,319.05, 5,961.35 and 2,830.57

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Solution

The fourth proportional to 4,319.05, 5,961.35 and 2,830.57 is: 3,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.05 : 5,961.35 = 2,830.57 : x
  2. Step 2: Convert to fraction form
    4,319.05/5,961.35 = 2,830.57/x
  3. Step 3: Cross multiply
    4,319.05x = 5,961.35 × 2,830.57
  4. Step 4: Simplify right side
    4,319.05x = 16,874,018.47
  5. Step 5: Solve for x
    x = 16,874,018.47/4,319.05
  6. Step 6: Final answer
    x = 3,906.88

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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.