Home / 2,681.72-4,002.86-2,493.70

Finding the Fourth Proportional to 2,681.72, 4,002.86 and 2,493.70

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Solution

The fourth proportional to 2,681.72, 4,002.86 and 2,493.70 is: 3,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.72 : 4,002.86 = 2,493.70 : x
  2. Step 2: Convert to fraction form
    2,681.72/4,002.86 = 2,493.70/x
  3. Step 3: Cross multiply
    2,681.72x = 4,002.86 × 2,493.70
  4. Step 4: Simplify right side
    2,681.72x = 9,981,925.44
  5. Step 5: Solve for x
    x = 9,981,925.44/2,681.72
  6. Step 6: Final answer
    x = 3,722.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.