Home / 3,391.98-5,089.50-2,159.07

Finding the Fourth Proportional to 3,391.98, 5,089.50 and 2,159.07

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Solution

The fourth proportional to 3,391.98, 5,089.50 and 2,159.07 is: 3,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.98 : 5,089.50 = 2,159.07 : x
  2. Step 2: Convert to fraction form
    3,391.98/5,089.50 = 2,159.07/x
  3. Step 3: Cross multiply
    3,391.98x = 5,089.50 × 2,159.07
  4. Step 4: Simplify right side
    3,391.98x = 10,988,586.77
  5. Step 5: Solve for x
    x = 10,988,586.77/3,391.98
  6. Step 6: Final answer
    x = 3,239.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.