Home / 2,840.41-3,917.46-2,338.62

Finding the Fourth Proportional to 2,840.41, 3,917.46 and 2,338.62

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Solution

The fourth proportional to 2,840.41, 3,917.46 and 2,338.62 is: 3,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.41 : 3,917.46 = 2,338.62 : x
  2. Step 2: Convert to fraction form
    2,840.41/3,917.46 = 2,338.62/x
  3. Step 3: Cross multiply
    2,840.41x = 3,917.46 × 2,338.62
  4. Step 4: Simplify right side
    2,840.41x = 9,161,450.31
  5. Step 5: Solve for x
    x = 9,161,450.31/2,840.41
  6. Step 6: Final answer
    x = 3,225.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.