Home / 3,239.75-4,834.35-2,890.68

Finding the Fourth Proportional to 3,239.75, 4,834.35 and 2,890.68

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Solution

The fourth proportional to 3,239.75, 4,834.35 and 2,890.68 is: 4,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.75 : 4,834.35 = 2,890.68 : x
  2. Step 2: Convert to fraction form
    3,239.75/4,834.35 = 2,890.68/x
  3. Step 3: Cross multiply
    3,239.75x = 4,834.35 × 2,890.68
  4. Step 4: Simplify right side
    3,239.75x = 13,974,544.40
  5. Step 5: Solve for x
    x = 13,974,544.40/3,239.75
  6. Step 6: Final answer
    x = 4,313.47

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1.5x scale

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.