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Finding the Fourth Proportional to 2,303.43, 3,454.98 and 659.80

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Solution

The fourth proportional to 2,303.43, 3,454.98 and 659.80 is: 989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.43 : 3,454.98 = 659.80 : x
  2. Step 2: Convert to fraction form
    2,303.43/3,454.98 = 659.80/x
  3. Step 3: Cross multiply
    2,303.43x = 3,454.98 × 659.80
  4. Step 4: Simplify right side
    2,303.43x = 2,279,595.80
  5. Step 5: Solve for x
    x = 2,279,595.80/2,303.43
  6. Step 6: Final answer
    x = 989.65

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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.