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Finding the Fourth Proportional to 2,395.03, 3,592.55 and 663.66

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Solution

The fourth proportional to 2,395.03, 3,592.55 and 663.66 is: 995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.03 : 3,592.55 = 663.66 : x
  2. Step 2: Convert to fraction form
    2,395.03/3,592.55 = 663.66/x
  3. Step 3: Cross multiply
    2,395.03x = 3,592.55 × 663.66
  4. Step 4: Simplify right side
    2,395.03x = 2,384,231.73
  5. Step 5: Solve for x
    x = 2,384,231.73/2,395.03
  6. Step 6: Final answer
    x = 995.49

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Double scale
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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.