Home / 2,132.88-2,943.75-2,039.48

Finding the Fourth Proportional to 2,132.88, 2,943.75 and 2,039.48

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Solution

The fourth proportional to 2,132.88, 2,943.75 and 2,039.48 is: 2,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.88 : 2,943.75 = 2,039.48 : x
  2. Step 2: Convert to fraction form
    2,132.88/2,943.75 = 2,039.48/x
  3. Step 3: Cross multiply
    2,132.88x = 2,943.75 × 2,039.48
  4. Step 4: Simplify right side
    2,132.88x = 6,003,719.25
  5. Step 5: Solve for x
    x = 6,003,719.25/2,132.88
  6. Step 6: Final answer
    x = 2,814.84

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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.