Home / 3,367.19-4,642.96-2,894.55

Finding the Fourth Proportional to 3,367.19, 4,642.96 and 2,894.55

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Solution

The fourth proportional to 3,367.19, 4,642.96 and 2,894.55 is: 3,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.19 : 4,642.96 = 2,894.55 : x
  2. Step 2: Convert to fraction form
    3,367.19/4,642.96 = 2,894.55/x
  3. Step 3: Cross multiply
    3,367.19x = 4,642.96 × 2,894.55
  4. Step 4: Simplify right side
    3,367.19x = 13,439,279.87
  5. Step 5: Solve for x
    x = 13,439,279.87/3,367.19
  6. Step 6: Final answer
    x = 3,991.24

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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.