Home / 1,529.27-2,294.81-663.58

Finding the Fourth Proportional to 1,529.27, 2,294.81 and 663.58

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Solution

The fourth proportional to 1,529.27, 2,294.81 and 663.58 is: 995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.27 : 2,294.81 = 663.58 : x
  2. Step 2: Convert to fraction form
    1,529.27/2,294.81 = 663.58/x
  3. Step 3: Cross multiply
    1,529.27x = 2,294.81 × 663.58
  4. Step 4: Simplify right side
    1,529.27x = 1,522,785.94
  5. Step 5: Solve for x
    x = 1,522,785.94/1,529.27
  6. Step 6: Final answer
    x = 995.76

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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.