Home / 2,994.18-4,131.42-2,274.90

Finding the Fourth Proportional to 2,994.18, 4,131.42 and 2,274.90

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Solution

The fourth proportional to 2,994.18, 4,131.42 and 2,274.90 is: 3,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.18 : 4,131.42 = 2,274.90 : x
  2. Step 2: Convert to fraction form
    2,994.18/4,131.42 = 2,274.90/x
  3. Step 3: Cross multiply
    2,994.18x = 4,131.42 × 2,274.90
  4. Step 4: Simplify right side
    2,994.18x = 9,398,567.36
  5. Step 5: Solve for x
    x = 9,398,567.36/2,994.18
  6. Step 6: Final answer
    x = 3,138.95

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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.