Home / 2,626.06-3,933.60-1,240.60

Finding the Fourth Proportional to 2,626.06, 3,933.60 and 1,240.60

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Solution

The fourth proportional to 2,626.06, 3,933.60 and 1,240.60 is: 1,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.06 : 3,933.60 = 1,240.60 : x
  2. Step 2: Convert to fraction form
    2,626.06/3,933.60 = 1,240.60/x
  3. Step 3: Cross multiply
    2,626.06x = 3,933.60 × 1,240.60
  4. Step 4: Simplify right side
    2,626.06x = 4,880,024.16
  5. Step 5: Solve for x
    x = 4,880,024.16/2,626.06
  6. Step 6: Final answer
    x = 1,858.31

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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.