Home / 3,581.74-4,941.90-2,009.86

Finding the Fourth Proportional to 3,581.74, 4,941.90 and 2,009.86

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Solution

The fourth proportional to 3,581.74, 4,941.90 and 2,009.86 is: 2,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.74 : 4,941.90 = 2,009.86 : x
  2. Step 2: Convert to fraction form
    3,581.74/4,941.90 = 2,009.86/x
  3. Step 3: Cross multiply
    3,581.74x = 4,941.90 × 2,009.86
  4. Step 4: Simplify right side
    3,581.74x = 9,932,527.13
  5. Step 5: Solve for x
    x = 9,932,527.13/3,581.74
  6. Step 6: Final answer
    x = 2,773.10

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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.