Home / 3,120.24-4,305.94-1,703.94

Finding the Fourth Proportional to 3,120.24, 4,305.94 and 1,703.94

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Solution

The fourth proportional to 3,120.24, 4,305.94 and 1,703.94 is: 2,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.24 : 4,305.94 = 1,703.94 : x
  2. Step 2: Convert to fraction form
    3,120.24/4,305.94 = 1,703.94/x
  3. Step 3: Cross multiply
    3,120.24x = 4,305.94 × 1,703.94
  4. Step 4: Simplify right side
    3,120.24x = 7,337,059.90
  5. Step 5: Solve for x
    x = 7,337,059.90/3,120.24
  6. Step 6: Final answer
    x = 2,351.44

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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.