Home / 1,370.44-2,055.58-396.52

Finding the Fourth Proportional to 1,370.44, 2,055.58 and 396.52

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Solution

The fourth proportional to 1,370.44, 2,055.58 and 396.52 is: 594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.44 : 2,055.58 = 396.52 : x
  2. Step 2: Convert to fraction form
    1,370.44/2,055.58 = 396.52/x
  3. Step 3: Cross multiply
    1,370.44x = 2,055.58 × 396.52
  4. Step 4: Simplify right side
    1,370.44x = 815,078.58
  5. Step 5: Solve for x
    x = 815,078.58/1,370.44
  6. Step 6: Final answer
    x = 594.76

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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.