Home / 1,531.68-2,297.96-800.84

Finding the Fourth Proportional to 1,531.68, 2,297.96 and 800.84

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Solution

The fourth proportional to 1,531.68, 2,297.96 and 800.84 is: 1,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.68 : 2,297.96 = 800.84 : x
  2. Step 2: Convert to fraction form
    1,531.68/2,297.96 = 800.84/x
  3. Step 3: Cross multiply
    1,531.68x = 2,297.96 × 800.84
  4. Step 4: Simplify right side
    1,531.68x = 1,840,298.29
  5. Step 5: Solve for x
    x = 1,840,298.29/1,531.68
  6. Step 6: Final answer
    x = 1,201.49

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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.