Home / 1,763.96-2,435.38-1,134.78

Finding the Fourth Proportional to 1,763.96, 2,435.38 and 1,134.78

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Solution

The fourth proportional to 1,763.96, 2,435.38 and 1,134.78 is: 1,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.96 : 2,435.38 = 1,134.78 : x
  2. Step 2: Convert to fraction form
    1,763.96/2,435.38 = 1,134.78/x
  3. Step 3: Cross multiply
    1,763.96x = 2,435.38 × 1,134.78
  4. Step 4: Simplify right side
    1,763.96x = 2,763,620.52
  5. Step 5: Solve for x
    x = 2,763,620.52/1,763.96
  6. Step 6: Final answer
    x = 1,566.71

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1.5x scale

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.