Home / 3,585.29-4,942.59-2,639.39

Finding the Fourth Proportional to 3,585.29, 4,942.59 and 2,639.39

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Solution

The fourth proportional to 3,585.29, 4,942.59 and 2,639.39 is: 3,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.29 : 4,942.59 = 2,639.39 : x
  2. Step 2: Convert to fraction form
    3,585.29/4,942.59 = 2,639.39/x
  3. Step 3: Cross multiply
    3,585.29x = 4,942.59 × 2,639.39
  4. Step 4: Simplify right side
    3,585.29x = 13,045,422.62
  5. Step 5: Solve for x
    x = 13,045,422.62/3,585.29
  6. Step 6: Final answer
    x = 3,638.60

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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.