Home / 3,611.23-5,415.73-1,531.19

Finding the Fourth Proportional to 3,611.23, 5,415.73 and 1,531.19

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Solution

The fourth proportional to 3,611.23, 5,415.73 and 1,531.19 is: 2,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.23 : 5,415.73 = 1,531.19 : x
  2. Step 2: Convert to fraction form
    3,611.23/5,415.73 = 1,531.19/x
  3. Step 3: Cross multiply
    3,611.23x = 5,415.73 × 1,531.19
  4. Step 4: Simplify right side
    3,611.23x = 8,292,511.62
  5. Step 5: Solve for x
    x = 8,292,511.62/3,611.23
  6. Step 6: Final answer
    x = 2,296.32

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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.