Home / 3,428.01-4,725.93-2,168.43

Finding the Fourth Proportional to 3,428.01, 4,725.93 and 2,168.43

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Solution

The fourth proportional to 3,428.01, 4,725.93 and 2,168.43 is: 2,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.01 : 4,725.93 = 2,168.43 : x
  2. Step 2: Convert to fraction form
    3,428.01/4,725.93 = 2,168.43/x
  3. Step 3: Cross multiply
    3,428.01x = 4,725.93 × 2,168.43
  4. Step 4: Simplify right side
    3,428.01x = 10,247,848.39
  5. Step 5: Solve for x
    x = 10,247,848.39/3,428.01
  6. Step 6: Final answer
    x = 2,989.45

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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.