Home / 3,936.34-5,432.64-2,258.02

Finding the Fourth Proportional to 3,936.34, 5,432.64 and 2,258.02

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Solution

The fourth proportional to 3,936.34, 5,432.64 and 2,258.02 is: 3,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.34 : 5,432.64 = 2,258.02 : x
  2. Step 2: Convert to fraction form
    3,936.34/5,432.64 = 2,258.02/x
  3. Step 3: Cross multiply
    3,936.34x = 5,432.64 × 2,258.02
  4. Step 4: Simplify right side
    3,936.34x = 12,267,009.77
  5. Step 5: Solve for x
    x = 12,267,009.77/3,936.34
  6. Step 6: Final answer
    x = 3,116.35

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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.