Home / 1,426.01-2,138.94-1,293.84

Finding the Fourth Proportional to 1,426.01, 2,138.94 and 1,293.84

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Solution

The fourth proportional to 1,426.01, 2,138.94 and 1,293.84 is: 1,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.01 : 2,138.94 = 1,293.84 : x
  2. Step 2: Convert to fraction form
    1,426.01/2,138.94 = 1,293.84/x
  3. Step 3: Cross multiply
    1,426.01x = 2,138.94 × 1,293.84
  4. Step 4: Simplify right side
    1,426.01x = 2,767,446.13
  5. Step 5: Solve for x
    x = 2,767,446.13/1,426.01
  6. Step 6: Final answer
    x = 1,940.70

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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.