Home / 3,079.76-4,620.20-1,133.36

Finding the Fourth Proportional to 3,079.76, 4,620.20 and 1,133.36

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Solution

The fourth proportional to 3,079.76, 4,620.20 and 1,133.36 is: 1,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.76 : 4,620.20 = 1,133.36 : x
  2. Step 2: Convert to fraction form
    3,079.76/4,620.20 = 1,133.36/x
  3. Step 3: Cross multiply
    3,079.76x = 4,620.20 × 1,133.36
  4. Step 4: Simplify right side
    3,079.76x = 5,236,349.87
  5. Step 5: Solve for x
    x = 5,236,349.87/3,079.76
  6. Step 6: Final answer
    x = 1,700.25

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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.