Home / 2,359.92-3,539.36-1,189.60

Finding the Fourth Proportional to 2,359.92, 3,539.36 and 1,189.60

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Solution

The fourth proportional to 2,359.92, 3,539.36 and 1,189.60 is: 1,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.92 : 3,539.36 = 1,189.60 : x
  2. Step 2: Convert to fraction form
    2,359.92/3,539.36 = 1,189.60/x
  3. Step 3: Cross multiply
    2,359.92x = 3,539.36 × 1,189.60
  4. Step 4: Simplify right side
    2,359.92x = 4,210,422.66
  5. Step 5: Solve for x
    x = 4,210,422.66/2,359.92
  6. Step 6: Final answer
    x = 1,784.14

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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.