Home / 2,992.14-4,128.57-1,873.53

Finding the Fourth Proportional to 2,992.14, 4,128.57 and 1,873.53

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Solution

The fourth proportional to 2,992.14, 4,128.57 and 1,873.53 is: 2,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.14 : 4,128.57 = 1,873.53 : x
  2. Step 2: Convert to fraction form
    2,992.14/4,128.57 = 1,873.53/x
  3. Step 3: Cross multiply
    2,992.14x = 4,128.57 × 1,873.53
  4. Step 4: Simplify right side
    2,992.14x = 7,734,999.75
  5. Step 5: Solve for x
    x = 7,734,999.75/2,992.14
  6. Step 6: Final answer
    x = 2,585.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.