Home / 2,840.39-4,260.39-1,360.67

Finding the Fourth Proportional to 2,840.39, 4,260.39 and 1,360.67

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Solution

The fourth proportional to 2,840.39, 4,260.39 and 1,360.67 is: 2,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.39 : 4,260.39 = 1,360.67 : x
  2. Step 2: Convert to fraction form
    2,840.39/4,260.39 = 1,360.67/x
  3. Step 3: Cross multiply
    2,840.39x = 4,260.39 × 1,360.67
  4. Step 4: Simplify right side
    2,840.39x = 5,796,963.56
  5. Step 5: Solve for x
    x = 5,796,963.56/2,840.39
  6. Step 6: Final answer
    x = 2,040.91

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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.