Home / 3,531.49-5,293.42-1,555.36

Finding the Fourth Proportional to 3,531.49, 5,293.42 and 1,555.36

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Solution

The fourth proportional to 3,531.49, 5,293.42 and 1,555.36 is: 2,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.49 : 5,293.42 = 1,555.36 : x
  2. Step 2: Convert to fraction form
    3,531.49/5,293.42 = 1,555.36/x
  3. Step 3: Cross multiply
    3,531.49x = 5,293.42 × 1,555.36
  4. Step 4: Simplify right side
    3,531.49x = 8,233,173.73
  5. Step 5: Solve for x
    x = 8,233,173.73/3,531.49
  6. Step 6: Final answer
    x = 2,331.36

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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.