Home / 2,125.24-3,183.72-1,055.14

Finding the Fourth Proportional to 2,125.24, 3,183.72 and 1,055.14

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Solution

The fourth proportional to 2,125.24, 3,183.72 and 1,055.14 is: 1,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.24 : 3,183.72 = 1,055.14 : x
  2. Step 2: Convert to fraction form
    2,125.24/3,183.72 = 1,055.14/x
  3. Step 3: Cross multiply
    2,125.24x = 3,183.72 × 1,055.14
  4. Step 4: Simplify right side
    2,125.24x = 3,359,270.32
  5. Step 5: Solve for x
    x = 3,359,270.32/2,125.24
  6. Step 6: Final answer
    x = 1,580.65

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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.