Home / 2,508.91-3,759.24-1,120.16

Finding the Fourth Proportional to 2,508.91, 3,759.24 and 1,120.16

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Solution

The fourth proportional to 2,508.91, 3,759.24 and 1,120.16 is: 1,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.91 : 3,759.24 = 1,120.16 : x
  2. Step 2: Convert to fraction form
    2,508.91/3,759.24 = 1,120.16/x
  3. Step 3: Cross multiply
    2,508.91x = 3,759.24 × 1,120.16
  4. Step 4: Simplify right side
    2,508.91x = 4,210,950.28
  5. Step 5: Solve for x
    x = 4,210,950.28/2,508.91
  6. Step 6: Final answer
    x = 1,678.40

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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.