Home / 2,921.26-4,379.70-1,534.54

Finding the Fourth Proportional to 2,921.26, 4,379.70 and 1,534.54

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Solution

The fourth proportional to 2,921.26, 4,379.70 and 1,534.54 is: 2,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.26 : 4,379.70 = 1,534.54 : x
  2. Step 2: Convert to fraction form
    2,921.26/4,379.70 = 1,534.54/x
  3. Step 3: Cross multiply
    2,921.26x = 4,379.70 × 1,534.54
  4. Step 4: Simplify right side
    2,921.26x = 6,720,824.84
  5. Step 5: Solve for x
    x = 6,720,824.84/2,921.26
  6. Step 6: Final answer
    x = 2,300.66

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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.