Home / 2,928.88-4,392.26-1,174.28

Finding the Fourth Proportional to 2,928.88, 4,392.26 and 1,174.28

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Solution

The fourth proportional to 2,928.88, 4,392.26 and 1,174.28 is: 1,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.88 : 4,392.26 = 1,174.28 : x
  2. Step 2: Convert to fraction form
    2,928.88/4,392.26 = 1,174.28/x
  3. Step 3: Cross multiply
    2,928.88x = 4,392.26 × 1,174.28
  4. Step 4: Simplify right side
    2,928.88x = 5,157,737.20
  5. Step 5: Solve for x
    x = 5,157,737.20/2,928.88
  6. Step 6: Final answer
    x = 1,761.00

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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.