Home / 3,815.43-5,265.33-2,136.93

Finding the Fourth Proportional to 3,815.43, 5,265.33 and 2,136.93

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Solution

The fourth proportional to 3,815.43, 5,265.33 and 2,136.93 is: 2,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.43 : 5,265.33 = 2,136.93 : x
  2. Step 2: Convert to fraction form
    3,815.43/5,265.33 = 2,136.93/x
  3. Step 3: Cross multiply
    3,815.43x = 5,265.33 × 2,136.93
  4. Step 4: Simplify right side
    3,815.43x = 11,251,641.64
  5. Step 5: Solve for x
    x = 11,251,641.64/3,815.43
  6. Step 6: Final answer
    x = 2,948.98

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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.