Home / 3,611.89-5,417.22-1,273.63

Finding the Fourth Proportional to 3,611.89, 5,417.22 and 1,273.63

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Solution

The fourth proportional to 3,611.89, 5,417.22 and 1,273.63 is: 1,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.89 : 5,417.22 = 1,273.63 : x
  2. Step 2: Convert to fraction form
    3,611.89/5,417.22 = 1,273.63/x
  3. Step 3: Cross multiply
    3,611.89x = 5,417.22 × 1,273.63
  4. Step 4: Simplify right side
    3,611.89x = 6,899,506.82
  5. Step 5: Solve for x
    x = 6,899,506.82/3,611.89
  6. Step 6: Final answer
    x = 1,910.22

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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.