Home / 3,943.95-5,905.48-2,381.86

Finding the Fourth Proportional to 3,943.95, 5,905.48 and 2,381.86

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Solution

The fourth proportional to 3,943.95, 5,905.48 and 2,381.86 is: 3,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.95 : 5,905.48 = 2,381.86 : x
  2. Step 2: Convert to fraction form
    3,943.95/5,905.48 = 2,381.86/x
  3. Step 3: Cross multiply
    3,943.95x = 5,905.48 × 2,381.86
  4. Step 4: Simplify right side
    3,943.95x = 14,066,026.59
  5. Step 5: Solve for x
    x = 14,066,026.59/3,943.95
  6. Step 6: Final answer
    x = 3,566.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.