Home / 3,076.62-4,614.36-1,128.18

Finding the Fourth Proportional to 3,076.62, 4,614.36 and 1,128.18

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Solution

The fourth proportional to 3,076.62, 4,614.36 and 1,128.18 is: 1,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.62 : 4,614.36 = 1,128.18 : x
  2. Step 2: Convert to fraction form
    3,076.62/4,614.36 = 1,128.18/x
  3. Step 3: Cross multiply
    3,076.62x = 4,614.36 × 1,128.18
  4. Step 4: Simplify right side
    3,076.62x = 5,205,828.66
  5. Step 5: Solve for x
    x = 5,205,828.66/3,076.62
  6. Step 6: Final answer
    x = 1,692.06

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1.5x scale

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.