Home / 1,425.63-2,134.83-1,193.94

Finding the Fourth Proportional to 1,425.63, 2,134.83 and 1,193.94

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Solution

The fourth proportional to 1,425.63, 2,134.83 and 1,193.94 is: 1,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425.63 : 2,134.83 = 1,193.94 : x
  2. Step 2: Convert to fraction form
    1,425.63/2,134.83 = 1,193.94/x
  3. Step 3: Cross multiply
    1,425.63x = 2,134.83 × 1,193.94
  4. Step 4: Simplify right side
    1,425.63x = 2,548,858.93
  5. Step 5: Solve for x
    x = 2,548,858.93/1,425.63
  6. Step 6: Final answer
    x = 1,787.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.