Home / 1,588.14-2,381.05-663.96

Finding the Fourth Proportional to 1,588.14, 2,381.05 and 663.96

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Solution

The fourth proportional to 1,588.14, 2,381.05 and 663.96 is: 995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.14 : 2,381.05 = 663.96 : x
  2. Step 2: Convert to fraction form
    1,588.14/2,381.05 = 663.96/x
  3. Step 3: Cross multiply
    1,588.14x = 2,381.05 × 663.96
  4. Step 4: Simplify right side
    1,588.14x = 1,580,923.54
  5. Step 5: Solve for x
    x = 1,580,923.54/1,588.14
  6. Step 6: Final answer
    x = 995.46

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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.