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Finding the Fourth Proportional to 2,199.70, 3,302.14 and 1,737.80

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Solution

The fourth proportional to 2,199.70, 3,302.14 and 1,737.80 is: 2,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.70 : 3,302.14 = 1,737.80 : x
  2. Step 2: Convert to fraction form
    2,199.70/3,302.14 = 1,737.80/x
  3. Step 3: Cross multiply
    2,199.70x = 3,302.14 × 1,737.80
  4. Step 4: Simplify right side
    2,199.70x = 5,738,458.89
  5. Step 5: Solve for x
    x = 5,738,458.89/2,199.70
  6. Step 6: Final answer
    x = 2,608.75

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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.