Home / 3,078.12-4,609.83-1,593.36

Finding the Fourth Proportional to 3,078.12, 4,609.83 and 1,593.36

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Solution

The fourth proportional to 3,078.12, 4,609.83 and 1,593.36 is: 2,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.12 : 4,609.83 = 1,593.36 : x
  2. Step 2: Convert to fraction form
    3,078.12/4,609.83 = 1,593.36/x
  3. Step 3: Cross multiply
    3,078.12x = 4,609.83 × 1,593.36
  4. Step 4: Simplify right side
    3,078.12x = 7,345,118.73
  5. Step 5: Solve for x
    x = 7,345,118.73/3,078.12
  6. Step 6: Final answer
    x = 2,386.24

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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.