Home / 2,942.98-4,409.45-1,627.64

Finding the Fourth Proportional to 2,942.98, 4,409.45 and 1,627.64

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Solution

The fourth proportional to 2,942.98, 4,409.45 and 1,627.64 is: 2,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.98 : 4,409.45 = 1,627.64 : x
  2. Step 2: Convert to fraction form
    2,942.98/4,409.45 = 1,627.64/x
  3. Step 3: Cross multiply
    2,942.98x = 4,409.45 × 1,627.64
  4. Step 4: Simplify right side
    2,942.98x = 7,176,967.01
  5. Step 5: Solve for x
    x = 7,176,967.01/2,942.98
  6. Step 6: Final answer
    x = 2,438.68

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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.