Home / 2,131.96-2,941.24-1,304.44

Finding the Fourth Proportional to 2,131.96, 2,941.24 and 1,304.44

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Solution

The fourth proportional to 2,131.96, 2,941.24 and 1,304.44 is: 1,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131.96 : 2,941.24 = 1,304.44 : x
  2. Step 2: Convert to fraction form
    2,131.96/2,941.24 = 1,304.44/x
  3. Step 3: Cross multiply
    2,131.96x = 2,941.24 × 1,304.44
  4. Step 4: Simplify right side
    2,131.96x = 3,836,671.11
  5. Step 5: Solve for x
    x = 3,836,671.11/2,131.96
  6. Step 6: Final answer
    x = 1,799.60

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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.