Home / 3,239.64-4,834.18-2,890.57

Finding the Fourth Proportional to 3,239.64, 4,834.18 and 2,890.57

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Solution

The fourth proportional to 3,239.64, 4,834.18 and 2,890.57 is: 4,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.64 : 4,834.18 = 2,890.57 : x
  2. Step 2: Convert to fraction form
    3,239.64/4,834.18 = 2,890.57/x
  3. Step 3: Cross multiply
    3,239.64x = 4,834.18 × 2,890.57
  4. Step 4: Simplify right side
    3,239.64x = 13,973,554.99
  5. Step 5: Solve for x
    x = 13,973,554.99/3,239.64
  6. Step 6: Final answer
    x = 4,313.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.