Home / 2,359.31-3,539.92-1,189.65

Finding the Fourth Proportional to 2,359.31, 3,539.92 and 1,189.65

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Solution

The fourth proportional to 2,359.31, 3,539.92 and 1,189.65 is: 1,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.31 : 3,539.92 = 1,189.65 : x
  2. Step 2: Convert to fraction form
    2,359.31/3,539.92 = 1,189.65/x
  3. Step 3: Cross multiply
    2,359.31x = 3,539.92 × 1,189.65
  4. Step 4: Simplify right side
    2,359.31x = 4,211,248.13
  5. Step 5: Solve for x
    x = 4,211,248.13/2,359.31
  6. Step 6: Final answer
    x = 1,784.95

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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.