Home / 2,407.36-3,611.34-826.39

Finding the Fourth Proportional to 2,407.36, 3,611.34 and 826.39

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Solution

The fourth proportional to 2,407.36, 3,611.34 and 826.39 is: 1,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.36 : 3,611.34 = 826.39 : x
  2. Step 2: Convert to fraction form
    2,407.36/3,611.34 = 826.39/x
  3. Step 3: Cross multiply
    2,407.36x = 3,611.34 × 826.39
  4. Step 4: Simplify right side
    2,407.36x = 2,984,369.33
  5. Step 5: Solve for x
    x = 2,984,369.33/2,407.36
  6. Step 6: Final answer
    x = 1,239.69

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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.