Home / 3,528-4,868.82-1,956.24

Finding the Fourth Proportional to 3,528, 4,868.82 and 1,956.24

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Solution

The fourth proportional to 3,528, 4,868.82 and 1,956.24 is: 2,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528 : 4,868.82 = 1,956.24 : x
  2. Step 2: Convert to fraction form
    3,528/4,868.82 = 1,956.24/x
  3. Step 3: Cross multiply
    3,528x = 4,868.82 × 1,956.24
  4. Step 4: Simplify right side
    3,528x = 9,524,580.44
  5. Step 5: Solve for x
    x = 9,524,580.44/3,528
  6. Step 6: Final answer
    x = 2,699.71

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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.