Home / 1,432.96-2,149.44-1,219.84

Finding the Fourth Proportional to 1,432.96, 2,149.44 and 1,219.84

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Solution

The fourth proportional to 1,432.96, 2,149.44 and 1,219.84 is: 1,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.96 : 2,149.44 = 1,219.84 : x
  2. Step 2: Convert to fraction form
    1,432.96/2,149.44 = 1,219.84/x
  3. Step 3: Cross multiply
    1,432.96x = 2,149.44 × 1,219.84
  4. Step 4: Simplify right side
    1,432.96x = 2,621,972.89
  5. Step 5: Solve for x
    x = 2,621,972.89/1,432.96
  6. Step 6: Final answer
    x = 1,829.76

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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.