Home / 2,542.14-3,511.62-1,989.59

Finding the Fourth Proportional to 2,542.14, 3,511.62 and 1,989.59

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Solution

The fourth proportional to 2,542.14, 3,511.62 and 1,989.59 is: 2,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.14 : 3,511.62 = 1,989.59 : x
  2. Step 2: Convert to fraction form
    2,542.14/3,511.62 = 1,989.59/x
  3. Step 3: Cross multiply
    2,542.14x = 3,511.62 × 1,989.59
  4. Step 4: Simplify right side
    2,542.14x = 6,986,666.48
  5. Step 5: Solve for x
    x = 6,986,666.48/2,542.14
  6. Step 6: Final answer
    x = 2,748.34

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1.5x scale

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.