Home / 1,764.83-2,435.57-1,008.85

Finding the Fourth Proportional to 1,764.83, 2,435.57 and 1,008.85

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Solution

The fourth proportional to 1,764.83, 2,435.57 and 1,008.85 is: 1,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.83 : 2,435.57 = 1,008.85 : x
  2. Step 2: Convert to fraction form
    1,764.83/2,435.57 = 1,008.85/x
  3. Step 3: Cross multiply
    1,764.83x = 2,435.57 × 1,008.85
  4. Step 4: Simplify right side
    1,764.83x = 2,457,107.57
  5. Step 5: Solve for x
    x = 2,457,107.57/1,764.83
  6. Step 6: Final answer
    x = 1,392.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.