Home / 3,317.06-4,976.02-1,125.20

Finding the Fourth Proportional to 3,317.06, 4,976.02 and 1,125.20

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Solution

The fourth proportional to 3,317.06, 4,976.02 and 1,125.20 is: 1,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.06 : 4,976.02 = 1,125.20 : x
  2. Step 2: Convert to fraction form
    3,317.06/4,976.02 = 1,125.20/x
  3. Step 3: Cross multiply
    3,317.06x = 4,976.02 × 1,125.20
  4. Step 4: Simplify right side
    3,317.06x = 5,598,992.82
  5. Step 5: Solve for x
    x = 5,598,992.82/3,317.06
  6. Step 6: Final answer
    x = 1,687.94

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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.