Home / 3,333.12-4,999.47-1,385.34

Finding the Fourth Proportional to 3,333.12, 4,999.47 and 1,385.34

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Solution

The fourth proportional to 3,333.12, 4,999.47 and 1,385.34 is: 2,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.12 : 4,999.47 = 1,385.34 : x
  2. Step 2: Convert to fraction form
    3,333.12/4,999.47 = 1,385.34/x
  3. Step 3: Cross multiply
    3,333.12x = 4,999.47 × 1,385.34
  4. Step 4: Simplify right side
    3,333.12x = 6,925,949.62
  5. Step 5: Solve for x
    x = 6,925,949.62/3,333.12
  6. Step 6: Final answer
    x = 2,077.92

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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.