Home / 3,982.79-5,497.78-2,656.01

Finding the Fourth Proportional to 3,982.79, 5,497.78 and 2,656.01

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Solution

The fourth proportional to 3,982.79, 5,497.78 and 2,656.01 is: 3,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.79 : 5,497.78 = 2,656.01 : x
  2. Step 2: Convert to fraction form
    3,982.79/5,497.78 = 2,656.01/x
  3. Step 3: Cross multiply
    3,982.79x = 5,497.78 × 2,656.01
  4. Step 4: Simplify right side
    3,982.79x = 14,602,165.76
  5. Step 5: Solve for x
    x = 14,602,165.76/3,982.79
  6. Step 6: Final answer
    x = 3,666.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.