Home / 3,865.56-5,798.39-1,092.30

Finding the Fourth Proportional to 3,865.56, 5,798.39 and 1,092.30

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Solution

The fourth proportional to 3,865.56, 5,798.39 and 1,092.30 is: 1,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.56 : 5,798.39 = 1,092.30 : x
  2. Step 2: Convert to fraction form
    3,865.56/5,798.39 = 1,092.30/x
  3. Step 3: Cross multiply
    3,865.56x = 5,798.39 × 1,092.30
  4. Step 4: Simplify right side
    3,865.56x = 6,333,575.94
  5. Step 5: Solve for x
    x = 6,333,575.94/3,865.56
  6. Step 6: Final answer
    x = 1,638.46

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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.