Home / 2,907.04-4,014.60-1,912.96

Finding the Fourth Proportional to 2,907.04, 4,014.60 and 1,912.96

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Solution

The fourth proportional to 2,907.04, 4,014.60 and 1,912.96 is: 2,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.04 : 4,014.60 = 1,912.96 : x
  2. Step 2: Convert to fraction form
    2,907.04/4,014.60 = 1,912.96/x
  3. Step 3: Cross multiply
    2,907.04x = 4,014.60 × 1,912.96
  4. Step 4: Simplify right side
    2,907.04x = 7,679,769.22
  5. Step 5: Solve for x
    x = 7,679,769.22/2,907.04
  6. Step 6: Final answer
    x = 2,641.78

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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.