Home / 3,617.48-4,991.32-2,201.91

Finding the Fourth Proportional to 3,617.48, 4,991.32 and 2,201.91

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Solution

The fourth proportional to 3,617.48, 4,991.32 and 2,201.91 is: 3,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.48 : 4,991.32 = 2,201.91 : x
  2. Step 2: Convert to fraction form
    3,617.48/4,991.32 = 2,201.91/x
  3. Step 3: Cross multiply
    3,617.48x = 4,991.32 × 2,201.91
  4. Step 4: Simplify right side
    3,617.48x = 10,990,421.46
  5. Step 5: Solve for x
    x = 10,990,421.46/3,617.48
  6. Step 6: Final answer
    x = 3,038.14

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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.