Home / 1,376.82-2,049.63-1,369.53

Finding the Fourth Proportional to 1,376.82, 2,049.63 and 1,369.53

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Solution

The fourth proportional to 1,376.82, 2,049.63 and 1,369.53 is: 2,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.82 : 2,049.63 = 1,369.53 : x
  2. Step 2: Convert to fraction form
    1,376.82/2,049.63 = 1,369.53/x
  3. Step 3: Cross multiply
    1,376.82x = 2,049.63 × 1,369.53
  4. Step 4: Simplify right side
    1,376.82x = 2,807,029.77
  5. Step 5: Solve for x
    x = 2,807,029.77/1,376.82
  6. Step 6: Final answer
    x = 2,038.78

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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.