Home / 2,488.49-3,433.94-1,369.47

Finding the Fourth Proportional to 2,488.49, 3,433.94 and 1,369.47

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Solution

The fourth proportional to 2,488.49, 3,433.94 and 1,369.47 is: 1,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.49 : 3,433.94 = 1,369.47 : x
  2. Step 2: Convert to fraction form
    2,488.49/3,433.94 = 1,369.47/x
  3. Step 3: Cross multiply
    2,488.49x = 3,433.94 × 1,369.47
  4. Step 4: Simplify right side
    2,488.49x = 4,702,670.96
  5. Step 5: Solve for x
    x = 4,702,670.96/2,488.49
  6. Step 6: Final answer
    x = 1,889.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.