Home / 2,830.12-4,247.28-1,076.84

Finding the Fourth Proportional to 2,830.12, 4,247.28 and 1,076.84

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Solution

The fourth proportional to 2,830.12, 4,247.28 and 1,076.84 is: 1,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.12 : 4,247.28 = 1,076.84 : x
  2. Step 2: Convert to fraction form
    2,830.12/4,247.28 = 1,076.84/x
  3. Step 3: Cross multiply
    2,830.12x = 4,247.28 × 1,076.84
  4. Step 4: Simplify right side
    2,830.12x = 4,573,641.00
  5. Step 5: Solve for x
    x = 4,573,641.00/2,830.12
  6. Step 6: Final answer
    x = 1,616.06

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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.