Home / 3,982.89-5,956.85-3,547.20

Finding the Fourth Proportional to 3,982.89, 5,956.85 and 3,547.20

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Solution

The fourth proportional to 3,982.89, 5,956.85 and 3,547.20 is: 5,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.89 : 5,956.85 = 3,547.20 : x
  2. Step 2: Convert to fraction form
    3,982.89/5,956.85 = 3,547.20/x
  3. Step 3: Cross multiply
    3,982.89x = 5,956.85 × 3,547.20
  4. Step 4: Simplify right side
    3,982.89x = 21,130,090.80
  5. Step 5: Solve for x
    x = 21,130,090.80/3,982.89
  6. Step 6: Final answer
    x = 5,305.22

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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.