Home / 3,239.89-4,834.56-2,890.82

Finding the Fourth Proportional to 3,239.89, 4,834.56 and 2,890.82

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Solution

The fourth proportional to 3,239.89, 4,834.56 and 2,890.82 is: 4,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.89 : 4,834.56 = 2,890.82 : x
  2. Step 2: Convert to fraction form
    3,239.89/4,834.56 = 2,890.82/x
  3. Step 3: Cross multiply
    3,239.89x = 4,834.56 × 2,890.82
  4. Step 4: Simplify right side
    3,239.89x = 13,975,840.37
  5. Step 5: Solve for x
    x = 13,975,840.37/3,239.89
  6. Step 6: Final answer
    x = 4,313.68

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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.