Home / 3,967.60-5,943.30-1,881.28

Finding the Fourth Proportional to 3,967.60, 5,943.30 and 1,881.28

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Solution

The fourth proportional to 3,967.60, 5,943.30 and 1,881.28 is: 2,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.60 : 5,943.30 = 1,881.28 : x
  2. Step 2: Convert to fraction form
    3,967.60/5,943.30 = 1,881.28/x
  3. Step 3: Cross multiply
    3,967.60x = 5,943.30 × 1,881.28
  4. Step 4: Simplify right side
    3,967.60x = 11,181,011.42
  5. Step 5: Solve for x
    x = 11,181,011.42/3,967.60
  6. Step 6: Final answer
    x = 2,818.08

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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.