Home / 2,767.42-4,148.62-1,381.18

Finding the Fourth Proportional to 2,767.42, 4,148.62 and 1,381.18

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Solution

The fourth proportional to 2,767.42, 4,148.62 and 1,381.18 is: 2,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.42 : 4,148.62 = 1,381.18 : x
  2. Step 2: Convert to fraction form
    2,767.42/4,148.62 = 1,381.18/x
  3. Step 3: Cross multiply
    2,767.42x = 4,148.62 × 1,381.18
  4. Step 4: Simplify right side
    2,767.42x = 5,729,990.97
  5. Step 5: Solve for x
    x = 5,729,990.97/2,767.42
  6. Step 6: Final answer
    x = 2,070.52

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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.