Home / 1,902.42-2,627.24-1,239.03

Finding the Fourth Proportional to 1,902.42, 2,627.24 and 1,239.03

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Solution

The fourth proportional to 1,902.42, 2,627.24 and 1,239.03 is: 1,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.42 : 2,627.24 = 1,239.03 : x
  2. Step 2: Convert to fraction form
    1,902.42/2,627.24 = 1,239.03/x
  3. Step 3: Cross multiply
    1,902.42x = 2,627.24 × 1,239.03
  4. Step 4: Simplify right side
    1,902.42x = 3,255,222.98
  5. Step 5: Solve for x
    x = 3,255,222.98/1,902.42
  6. Step 6: Final answer
    x = 1,711.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.