Home / 3,528.75-4,869.68-1,956.95

Finding the Fourth Proportional to 3,528.75, 4,869.68 and 1,956.95

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Solution

The fourth proportional to 3,528.75, 4,869.68 and 1,956.95 is: 2,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.75 : 4,869.68 = 1,956.95 : x
  2. Step 2: Convert to fraction form
    3,528.75/4,869.68 = 1,956.95/x
  3. Step 3: Cross multiply
    3,528.75x = 4,869.68 × 1,956.95
  4. Step 4: Simplify right side
    3,528.75x = 9,529,686.14
  5. Step 5: Solve for x
    x = 9,529,686.14/3,528.75
  6. Step 6: Final answer
    x = 2,700.58

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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.