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Finding the Fourth Proportional to 2,394.85, 3,591.86 and 663.07

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Solution

The fourth proportional to 2,394.85, 3,591.86 and 663.07 is: 994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.85 : 3,591.86 = 663.07 : x
  2. Step 2: Convert to fraction form
    2,394.85/3,591.86 = 663.07/x
  3. Step 3: Cross multiply
    2,394.85x = 3,591.86 × 663.07
  4. Step 4: Simplify right side
    2,394.85x = 2,381,636.65
  5. Step 5: Solve for x
    x = 2,381,636.65/2,394.85
  6. Step 6: Final answer
    x = 994.48

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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.