Home / 2,864.12-4,297.62-1,324.92

Finding the Fourth Proportional to 2,864.12, 4,297.62 and 1,324.92

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Solution

The fourth proportional to 2,864.12, 4,297.62 and 1,324.92 is: 1,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.12 : 4,297.62 = 1,324.92 : x
  2. Step 2: Convert to fraction form
    2,864.12/4,297.62 = 1,324.92/x
  3. Step 3: Cross multiply
    2,864.12x = 4,297.62 × 1,324.92
  4. Step 4: Simplify right side
    2,864.12x = 5,694,002.69
  5. Step 5: Solve for x
    x = 5,694,002.69/2,864.12
  6. Step 6: Final answer
    x = 1,988.05

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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.