Home / 2,488.19-3,433.78-1,369.16

Finding the Fourth Proportional to 2,488.19, 3,433.78 and 1,369.16

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Solution

The fourth proportional to 2,488.19, 3,433.78 and 1,369.16 is: 1,889.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.19 : 3,433.78 = 1,369.16 : x
  2. Step 2: Convert to fraction form
    2,488.19/3,433.78 = 1,369.16/x
  3. Step 3: Cross multiply
    2,488.19x = 3,433.78 × 1,369.16
  4. Step 4: Simplify right side
    2,488.19x = 4,701,399.39
  5. Step 5: Solve for x
    x = 4,701,399.39/2,488.19
  6. Step 6: Final answer
    x = 1,889.49

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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.