Home / 2,131.20-3,196.68-592.20

Finding the Fourth Proportional to 2,131.20, 3,196.68 and 592.20

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Solution

The fourth proportional to 2,131.20, 3,196.68 and 592.20 is: 888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131.20 : 3,196.68 = 592.20 : x
  2. Step 2: Convert to fraction form
    2,131.20/3,196.68 = 592.20/x
  3. Step 3: Cross multiply
    2,131.20x = 3,196.68 × 592.20
  4. Step 4: Simplify right side
    2,131.20x = 1,893,073.90
  5. Step 5: Solve for x
    x = 1,893,073.90/2,131.20
  6. Step 6: Final answer
    x = 888.27

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1.5x scale

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.