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Finding the Fourth Proportional to 3,595.92, 5,394.54 and 1,131.42

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Solution

The fourth proportional to 3,595.92, 5,394.54 and 1,131.42 is: 1,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.92 : 5,394.54 = 1,131.42 : x
  2. Step 2: Convert to fraction form
    3,595.92/5,394.54 = 1,131.42/x
  3. Step 3: Cross multiply
    3,595.92x = 5,394.54 × 1,131.42
  4. Step 4: Simplify right side
    3,595.92x = 6,103,490.45
  5. Step 5: Solve for x
    x = 6,103,490.45/3,595.92
  6. Step 6: Final answer
    x = 1,697.34

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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.