Home / 3,346.80-5,017.32-1,956.72

Finding the Fourth Proportional to 3,346.80, 5,017.32 and 1,956.72

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Solution

The fourth proportional to 3,346.80, 5,017.32 and 1,956.72 is: 2,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.80 : 5,017.32 = 1,956.72 : x
  2. Step 2: Convert to fraction form
    3,346.80/5,017.32 = 1,956.72/x
  3. Step 3: Cross multiply
    3,346.80x = 5,017.32 × 1,956.72
  4. Step 4: Simplify right side
    3,346.80x = 9,817,490.39
  5. Step 5: Solve for x
    x = 9,817,490.39/3,346.80
  6. Step 6: Final answer
    x = 2,933.40

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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.