Home / 2,129.11-3,193.30-589.75

Finding the Fourth Proportional to 2,129.11, 3,193.30 and 589.75

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Solution

The fourth proportional to 2,129.11, 3,193.30 and 589.75 is: 884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.11 : 3,193.30 = 589.75 : x
  2. Step 2: Convert to fraction form
    2,129.11/3,193.30 = 589.75/x
  3. Step 3: Cross multiply
    2,129.11x = 3,193.30 × 589.75
  4. Step 4: Simplify right side
    2,129.11x = 1,883,248.68
  5. Step 5: Solve for x
    x = 1,883,248.68/2,129.11
  6. Step 6: Final answer
    x = 884.52

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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.