Home / 3,149.22-4,345.44-1,804.62

Finding the Fourth Proportional to 3,149.22, 4,345.44 and 1,804.62

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Solution

The fourth proportional to 3,149.22, 4,345.44 and 1,804.62 is: 2,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.22 : 4,345.44 = 1,804.62 : x
  2. Step 2: Convert to fraction form
    3,149.22/4,345.44 = 1,804.62/x
  3. Step 3: Cross multiply
    3,149.22x = 4,345.44 × 1,804.62
  4. Step 4: Simplify right side
    3,149.22x = 7,841,867.93
  5. Step 5: Solve for x
    x = 7,841,867.93/3,149.22
  6. Step 6: Final answer
    x = 2,490.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.