Home / 1,829.42-2,744.15-1,391.58

Finding the Fourth Proportional to 1,829.42, 2,744.15 and 1,391.58

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Solution

The fourth proportional to 1,829.42, 2,744.15 and 1,391.58 is: 2,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.42 : 2,744.15 = 1,391.58 : x
  2. Step 2: Convert to fraction form
    1,829.42/2,744.15 = 1,391.58/x
  3. Step 3: Cross multiply
    1,829.42x = 2,744.15 × 1,391.58
  4. Step 4: Simplify right side
    1,829.42x = 3,818,697.30
  5. Step 5: Solve for x
    x = 3,818,697.30/1,829.42
  6. Step 6: Final answer
    x = 2,087.38

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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.