Home / 2,359.78-3,537.54-1,125.94

Finding the Fourth Proportional to 2,359.78, 3,537.54 and 1,125.94

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Solution

The fourth proportional to 2,359.78, 3,537.54 and 1,125.94 is: 1,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.78 : 3,537.54 = 1,125.94 : x
  2. Step 2: Convert to fraction form
    2,359.78/3,537.54 = 1,125.94/x
  3. Step 3: Cross multiply
    2,359.78x = 3,537.54 × 1,125.94
  4. Step 4: Simplify right side
    2,359.78x = 3,983,057.79
  5. Step 5: Solve for x
    x = 3,983,057.79/2,359.78
  6. Step 6: Final answer
    x = 1,687.89

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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.