Home / 3,865.42-5,799.22-1,270.18

Finding the Fourth Proportional to 3,865.42, 5,799.22 and 1,270.18

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Solution

The fourth proportional to 3,865.42, 5,799.22 and 1,270.18 is: 1,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.42 : 5,799.22 = 1,270.18 : x
  2. Step 2: Convert to fraction form
    3,865.42/5,799.22 = 1,270.18/x
  3. Step 3: Cross multiply
    3,865.42x = 5,799.22 × 1,270.18
  4. Step 4: Simplify right side
    3,865.42x = 7,366,053.26
  5. Step 5: Solve for x
    x = 7,366,053.26/3,865.42
  6. Step 6: Final answer
    x = 1,905.63

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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.