Home / 3,320.66-4,976.33-1,840.57

Finding the Fourth Proportional to 3,320.66, 4,976.33 and 1,840.57

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Solution

The fourth proportional to 3,320.66, 4,976.33 and 1,840.57 is: 2,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.66 : 4,976.33 = 1,840.57 : x
  2. Step 2: Convert to fraction form
    3,320.66/4,976.33 = 1,840.57/x
  3. Step 3: Cross multiply
    3,320.66x = 4,976.33 × 1,840.57
  4. Step 4: Simplify right side
    3,320.66x = 9,159,275.87
  5. Step 5: Solve for x
    x = 9,159,275.87/3,320.66
  6. Step 6: Final answer
    x = 2,758.27

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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.