Home / 3,611.28-5,407.14-1,876.26

Finding the Fourth Proportional to 3,611.28, 5,407.14 and 1,876.26

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Solution

The fourth proportional to 3,611.28, 5,407.14 and 1,876.26 is: 2,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.28 : 5,407.14 = 1,876.26 : x
  2. Step 2: Convert to fraction form
    3,611.28/5,407.14 = 1,876.26/x
  3. Step 3: Cross multiply
    3,611.28x = 5,407.14 × 1,876.26
  4. Step 4: Simplify right side
    3,611.28x = 10,145,186.84
  5. Step 5: Solve for x
    x = 10,145,186.84/3,611.28
  6. Step 6: Final answer
    x = 2,809.31

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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.