Home / 2,285.46-3,426.48-1,189.14

Finding the Fourth Proportional to 2,285.46, 3,426.48 and 1,189.14

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Solution

The fourth proportional to 2,285.46, 3,426.48 and 1,189.14 is: 1,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.46 : 3,426.48 = 1,189.14 : x
  2. Step 2: Convert to fraction form
    2,285.46/3,426.48 = 1,189.14/x
  3. Step 3: Cross multiply
    2,285.46x = 3,426.48 × 1,189.14
  4. Step 4: Simplify right side
    2,285.46x = 4,074,564.43
  5. Step 5: Solve for x
    x = 4,074,564.43/2,285.46
  6. Step 6: Final answer
    x = 1,782.82

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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.