Home / 3,333.27-4,999.92-1,385.49

Finding the Fourth Proportional to 3,333.27, 4,999.92 and 1,385.49

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Solution

The fourth proportional to 3,333.27, 4,999.92 and 1,385.49 is: 2,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.27 : 4,999.92 = 1,385.49 : x
  2. Step 2: Convert to fraction form
    3,333.27/4,999.92 = 1,385.49/x
  3. Step 3: Cross multiply
    3,333.27x = 4,999.92 × 1,385.49
  4. Step 4: Simplify right side
    3,333.27x = 6,927,339.16
  5. Step 5: Solve for x
    x = 6,927,339.16/3,333.27
  6. Step 6: Final answer
    x = 2,078.24

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1.5x scale

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.