Home / 1,370.44-2,055.77-396.55

Finding the Fourth Proportional to 1,370.44, 2,055.77 and 396.55

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Solution

The fourth proportional to 1,370.44, 2,055.77 and 396.55 is: 594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.44 : 2,055.77 = 396.55 : x
  2. Step 2: Convert to fraction form
    1,370.44/2,055.77 = 396.55/x
  3. Step 3: Cross multiply
    1,370.44x = 2,055.77 × 396.55
  4. Step 4: Simplify right side
    1,370.44x = 815,203.33
  5. Step 5: Solve for x
    x = 815,203.33/1,370.44
  6. Step 6: Final answer
    x = 594.85

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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.