Home / 3,528.32-4,869.04-1,956.38

Finding the Fourth Proportional to 3,528.32, 4,869.04 and 1,956.38

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Solution

The fourth proportional to 3,528.32, 4,869.04 and 1,956.38 is: 2,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.32 : 4,869.04 = 1,956.38 : x
  2. Step 2: Convert to fraction form
    3,528.32/4,869.04 = 1,956.38/x
  3. Step 3: Cross multiply
    3,528.32x = 4,869.04 × 1,956.38
  4. Step 4: Simplify right side
    3,528.32x = 9,525,692.48
  5. Step 5: Solve for x
    x = 9,525,692.48/3,528.32
  6. Step 6: Final answer
    x = 2,699.78

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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.