Home / 1,426.50-2,137.40-1,306.94

Finding the Fourth Proportional to 1,426.50, 2,137.40 and 1,306.94

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Solution

The fourth proportional to 1,426.50, 2,137.40 and 1,306.94 is: 1,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.50 : 2,137.40 = 1,306.94 : x
  2. Step 2: Convert to fraction form
    1,426.50/2,137.40 = 1,306.94/x
  3. Step 3: Cross multiply
    1,426.50x = 2,137.40 × 1,306.94
  4. Step 4: Simplify right side
    1,426.50x = 2,793,436.33
  5. Step 5: Solve for x
    x = 2,793,436.33/1,426.50
  6. Step 6: Final answer
    x = 1,958.24

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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.