Home / 3,558.45-4,910.49-1,986.24

Finding the Fourth Proportional to 3,558.45, 4,910.49 and 1,986.24

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Solution

The fourth proportional to 3,558.45, 4,910.49 and 1,986.24 is: 2,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.45 : 4,910.49 = 1,986.24 : x
  2. Step 2: Convert to fraction form
    3,558.45/4,910.49 = 1,986.24/x
  3. Step 3: Cross multiply
    3,558.45x = 4,910.49 × 1,986.24
  4. Step 4: Simplify right side
    3,558.45x = 9,753,411.66
  5. Step 5: Solve for x
    x = 9,753,411.66/3,558.45
  6. Step 6: Final answer
    x = 2,740.92

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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.