Home / 2,883.32-4,319.28-1,906.46

Finding the Fourth Proportional to 2,883.32, 4,319.28 and 1,906.46

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Solution

The fourth proportional to 2,883.32, 4,319.28 and 1,906.46 is: 2,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.32 : 4,319.28 = 1,906.46 : x
  2. Step 2: Convert to fraction form
    2,883.32/4,319.28 = 1,906.46/x
  3. Step 3: Cross multiply
    2,883.32x = 4,319.28 × 1,906.46
  4. Step 4: Simplify right side
    2,883.32x = 8,234,534.55
  5. Step 5: Solve for x
    x = 8,234,534.55/2,883.32
  6. Step 6: Final answer
    x = 2,855.92

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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.