Home / 2,405.16-3,606.66-1,107

Finding the Fourth Proportional to 2,405.16, 3,606.66 and 1,107

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Solution

The fourth proportional to 2,405.16, 3,606.66 and 1,107 is: 1,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.16 : 3,606.66 = 1,107 : x
  2. Step 2: Convert to fraction form
    2,405.16/3,606.66 = 1,107/x
  3. Step 3: Cross multiply
    2,405.16x = 3,606.66 × 1,107
  4. Step 4: Simplify right side
    2,405.16x = 3,992,572.62
  5. Step 5: Solve for x
    x = 3,992,572.62/2,405.16
  6. Step 6: Final answer
    x = 1,660.00

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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.