Home / 2,289.36-3,426.30-1,412.43

Finding the Fourth Proportional to 2,289.36, 3,426.30 and 1,412.43

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Solution

The fourth proportional to 2,289.36, 3,426.30 and 1,412.43 is: 2,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.36 : 3,426.30 = 1,412.43 : x
  2. Step 2: Convert to fraction form
    2,289.36/3,426.30 = 1,412.43/x
  3. Step 3: Cross multiply
    2,289.36x = 3,426.30 × 1,412.43
  4. Step 4: Simplify right side
    2,289.36x = 4,839,408.91
  5. Step 5: Solve for x
    x = 4,839,408.91/2,289.36
  6. Step 6: Final answer
    x = 2,113.87

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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.