Home / 2,864.62-4,297.75-1,404.20

Finding the Fourth Proportional to 2,864.62, 4,297.75 and 1,404.20

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Solution

The fourth proportional to 2,864.62, 4,297.75 and 1,404.20 is: 2,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.62 : 4,297.75 = 1,404.20 : x
  2. Step 2: Convert to fraction form
    2,864.62/4,297.75 = 1,404.20/x
  3. Step 3: Cross multiply
    2,864.62x = 4,297.75 × 1,404.20
  4. Step 4: Simplify right side
    2,864.62x = 6,034,900.55
  5. Step 5: Solve for x
    x = 6,034,900.55/2,864.62
  6. Step 6: Final answer
    x = 2,106.70

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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.