Home / 2,488.28-3,433.79-1,369.19

Finding the Fourth Proportional to 2,488.28, 3,433.79 and 1,369.19

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Solution

The fourth proportional to 2,488.28, 3,433.79 and 1,369.19 is: 1,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.28 : 3,433.79 = 1,369.19 : x
  2. Step 2: Convert to fraction form
    2,488.28/3,433.79 = 1,369.19/x
  3. Step 3: Cross multiply
    2,488.28x = 3,433.79 × 1,369.19
  4. Step 4: Simplify right side
    2,488.28x = 4,701,486.92
  5. Step 5: Solve for x
    x = 4,701,486.92/2,488.28
  6. Step 6: Final answer
    x = 1,889.46

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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.