Home / 3,605.74-4,976.55-2,865.33

Finding the Fourth Proportional to 3,605.74, 4,976.55 and 2,865.33

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Solution

The fourth proportional to 3,605.74, 4,976.55 and 2,865.33 is: 3,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.74 : 4,976.55 = 2,865.33 : x
  2. Step 2: Convert to fraction form
    3,605.74/4,976.55 = 2,865.33/x
  3. Step 3: Cross multiply
    3,605.74x = 4,976.55 × 2,865.33
  4. Step 4: Simplify right side
    3,605.74x = 14,259,458.01
  5. Step 5: Solve for x
    x = 14,259,458.01/3,605.74
  6. Step 6: Final answer
    x = 3,954.66

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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.