Home / 3,921.84-5,883.48-1,581.84

Finding the Fourth Proportional to 3,921.84, 5,883.48 and 1,581.84

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Solution

The fourth proportional to 3,921.84, 5,883.48 and 1,581.84 is: 2,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.84 : 5,883.48 = 1,581.84 : x
  2. Step 2: Convert to fraction form
    3,921.84/5,883.48 = 1,581.84/x
  3. Step 3: Cross multiply
    3,921.84x = 5,883.48 × 1,581.84
  4. Step 4: Simplify right side
    3,921.84x = 9,306,724.00
  5. Step 5: Solve for x
    x = 9,306,724.00/3,921.84
  6. Step 6: Final answer
    x = 2,373.05

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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.