Home / 3,609.33-4,980.77-2,015.93

Finding the Fourth Proportional to 3,609.33, 4,980.77 and 2,015.93

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Solution

The fourth proportional to 3,609.33, 4,980.77 and 2,015.93 is: 2,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.33 : 4,980.77 = 2,015.93 : x
  2. Step 2: Convert to fraction form
    3,609.33/4,980.77 = 2,015.93/x
  3. Step 3: Cross multiply
    3,609.33x = 4,980.77 × 2,015.93
  4. Step 4: Simplify right side
    3,609.33x = 10,040,901.16
  5. Step 5: Solve for x
    x = 10,040,901.16/3,609.33
  6. Step 6: Final answer
    x = 2,781.93

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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.