Home / 2,864.10-4,294.10-1,107.60

Finding the Fourth Proportional to 2,864.10, 4,294.10 and 1,107.60

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Solution

The fourth proportional to 2,864.10, 4,294.10 and 1,107.60 is: 1,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.10 : 4,294.10 = 1,107.60 : x
  2. Step 2: Convert to fraction form
    2,864.10/4,294.10 = 1,107.60/x
  3. Step 3: Cross multiply
    2,864.10x = 4,294.10 × 1,107.60
  4. Step 4: Simplify right side
    2,864.10x = 4,756,145.16
  5. Step 5: Solve for x
    x = 4,756,145.16/2,864.10
  6. Step 6: Final answer
    x = 1,660.61

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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.