Home / 3,617.11-4,991.66-2,124.96

Finding the Fourth Proportional to 3,617.11, 4,991.66 and 2,124.96

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Solution

The fourth proportional to 3,617.11, 4,991.66 and 2,124.96 is: 2,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.11 : 4,991.66 = 2,124.96 : x
  2. Step 2: Convert to fraction form
    3,617.11/4,991.66 = 2,124.96/x
  3. Step 3: Cross multiply
    3,617.11x = 4,991.66 × 2,124.96
  4. Step 4: Simplify right side
    3,617.11x = 10,607,077.83
  5. Step 5: Solve for x
    x = 10,607,077.83/3,617.11
  6. Step 6: Final answer
    x = 2,932.47

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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.