Home / 2,792.40-3,853.86-1,613.43

Finding the Fourth Proportional to 2,792.40, 3,853.86 and 1,613.43

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Solution

The fourth proportional to 2,792.40, 3,853.86 and 1,613.43 is: 2,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.40 : 3,853.86 = 1,613.43 : x
  2. Step 2: Convert to fraction form
    2,792.40/3,853.86 = 1,613.43/x
  3. Step 3: Cross multiply
    2,792.40x = 3,853.86 × 1,613.43
  4. Step 4: Simplify right side
    2,792.40x = 6,217,933.34
  5. Step 5: Solve for x
    x = 6,217,933.34/2,792.40
  6. Step 6: Final answer
    x = 2,226.73

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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.