Home / 3,558.18-4,910.61-1,986.66

Finding the Fourth Proportional to 3,558.18, 4,910.61 and 1,986.66

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Solution

The fourth proportional to 3,558.18, 4,910.61 and 1,986.66 is: 2,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.18 : 4,910.61 = 1,986.66 : x
  2. Step 2: Convert to fraction form
    3,558.18/4,910.61 = 1,986.66/x
  3. Step 3: Cross multiply
    3,558.18x = 4,910.61 × 1,986.66
  4. Step 4: Simplify right side
    3,558.18x = 9,755,712.46
  5. Step 5: Solve for x
    x = 9,755,712.46/3,558.18
  6. Step 6: Final answer
    x = 2,741.77

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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.