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Finding the Fourth Proportional to 2,129.25, 3,193.87 and 590.25

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Solution

The fourth proportional to 2,129.25, 3,193.87 and 590.25 is: 885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.25 : 3,193.87 = 590.25 : x
  2. Step 2: Convert to fraction form
    2,129.25/3,193.87 = 590.25/x
  3. Step 3: Cross multiply
    2,129.25x = 3,193.87 × 590.25
  4. Step 4: Simplify right side
    2,129.25x = 1,885,162.85
  5. Step 5: Solve for x
    x = 1,885,162.85/2,129.25
  6. Step 6: Final answer
    x = 885.37

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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.