Home / 3,996.39-5,995.40-1,531.29

Finding the Fourth Proportional to 3,996.39, 5,995.40 and 1,531.29

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Solution

The fourth proportional to 3,996.39, 5,995.40 and 1,531.29 is: 2,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.39 : 5,995.40 = 1,531.29 : x
  2. Step 2: Convert to fraction form
    3,996.39/5,995.40 = 1,531.29/x
  3. Step 3: Cross multiply
    3,996.39x = 5,995.40 × 1,531.29
  4. Step 4: Simplify right side
    3,996.39x = 9,180,688.41
  5. Step 5: Solve for x
    x = 9,180,688.41/3,996.39
  6. Step 6: Final answer
    x = 2,297.25

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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.