Home / 1,364.52-2,029.46-1,338.38

Finding the Fourth Proportional to 1,364.52, 2,029.46 and 1,338.38

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Solution

The fourth proportional to 1,364.52, 2,029.46 and 1,338.38 is: 1,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.52 : 2,029.46 = 1,338.38 : x
  2. Step 2: Convert to fraction form
    1,364.52/2,029.46 = 1,338.38/x
  3. Step 3: Cross multiply
    1,364.52x = 2,029.46 × 1,338.38
  4. Step 4: Simplify right side
    1,364.52x = 2,716,188.67
  5. Step 5: Solve for x
    x = 2,716,188.67/1,364.52
  6. Step 6: Final answer
    x = 1,990.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.