Home / 2,907.72-4,364.01-1,177.56

Finding the Fourth Proportional to 2,907.72, 4,364.01 and 1,177.56

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Solution

The fourth proportional to 2,907.72, 4,364.01 and 1,177.56 is: 1,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.72 : 4,364.01 = 1,177.56 : x
  2. Step 2: Convert to fraction form
    2,907.72/4,364.01 = 1,177.56/x
  3. Step 3: Cross multiply
    2,907.72x = 4,364.01 × 1,177.56
  4. Step 4: Simplify right side
    2,907.72x = 5,138,883.62
  5. Step 5: Solve for x
    x = 5,138,883.62/2,907.72
  6. Step 6: Final answer
    x = 1,767.32

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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.