Home / 3,962.18-5,943.36-1,364.78

Finding the Fourth Proportional to 3,962.18, 5,943.36 and 1,364.78

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Solution

The fourth proportional to 3,962.18, 5,943.36 and 1,364.78 is: 2,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.18 : 5,943.36 = 1,364.78 : x
  2. Step 2: Convert to fraction form
    3,962.18/5,943.36 = 1,364.78/x
  3. Step 3: Cross multiply
    3,962.18x = 5,943.36 × 1,364.78
  4. Step 4: Simplify right side
    3,962.18x = 8,111,378.86
  5. Step 5: Solve for x
    x = 8,111,378.86/3,962.18
  6. Step 6: Final answer
    x = 2,047.20

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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.