Home / 3,967.32-5,938.68-2,928.51

Finding the Fourth Proportional to 3,967.32, 5,938.68 and 2,928.51

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Solution

The fourth proportional to 3,967.32, 5,938.68 and 2,928.51 is: 4,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.32 : 5,938.68 = 2,928.51 : x
  2. Step 2: Convert to fraction form
    3,967.32/5,938.68 = 2,928.51/x
  3. Step 3: Cross multiply
    3,967.32x = 5,938.68 × 2,928.51
  4. Step 4: Simplify right side
    3,967.32x = 17,391,483.77
  5. Step 5: Solve for x
    x = 17,391,483.77/3,967.32
  6. Step 6: Final answer
    x = 4,383.69

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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.