Home / 2,488.32-3,433.91-1,369.35

Finding the Fourth Proportional to 2,488.32, 3,433.91 and 1,369.35

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Solution

The fourth proportional to 2,488.32, 3,433.91 and 1,369.35 is: 1,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.32 : 3,433.91 = 1,369.35 : x
  2. Step 2: Convert to fraction form
    2,488.32/3,433.91 = 1,369.35/x
  3. Step 3: Cross multiply
    2,488.32x = 3,433.91 × 1,369.35
  4. Step 4: Simplify right side
    2,488.32x = 4,702,217.81
  5. Step 5: Solve for x
    x = 4,702,217.81/2,488.32
  6. Step 6: Final answer
    x = 1,889.72

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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.