Home / 3,103.49-4,282.58-1,758.71

Finding the Fourth Proportional to 3,103.49, 4,282.58 and 1,758.71

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Solution

The fourth proportional to 3,103.49, 4,282.58 and 1,758.71 is: 2,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.49 : 4,282.58 = 1,758.71 : x
  2. Step 2: Convert to fraction form
    3,103.49/4,282.58 = 1,758.71/x
  3. Step 3: Cross multiply
    3,103.49x = 4,282.58 × 1,758.71
  4. Step 4: Simplify right side
    3,103.49x = 7,531,816.27
  5. Step 5: Solve for x
    x = 7,531,816.27/3,103.49
  6. Step 6: Final answer
    x = 2,426.89

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1.5x scale

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.