Home / 2,864.41-4,293.78-1,613.55

Finding the Fourth Proportional to 2,864.41, 4,293.78 and 1,613.55

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Solution

The fourth proportional to 2,864.41, 4,293.78 and 1,613.55 is: 2,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.41 : 4,293.78 = 1,613.55 : x
  2. Step 2: Convert to fraction form
    2,864.41/4,293.78 = 1,613.55/x
  3. Step 3: Cross multiply
    2,864.41x = 4,293.78 × 1,613.55
  4. Step 4: Simplify right side
    2,864.41x = 6,928,228.72
  5. Step 5: Solve for x
    x = 6,928,228.72/2,864.41
  6. Step 6: Final answer
    x = 2,418.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.