Home / 2,629.67-3,946.93-1,332.05

Finding the Fourth Proportional to 2,629.67, 3,946.93 and 1,332.05

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Solution

The fourth proportional to 2,629.67, 3,946.93 and 1,332.05 is: 1,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.67 : 3,946.93 = 1,332.05 : x
  2. Step 2: Convert to fraction form
    2,629.67/3,946.93 = 1,332.05/x
  3. Step 3: Cross multiply
    2,629.67x = 3,946.93 × 1,332.05
  4. Step 4: Simplify right side
    2,629.67x = 5,257,485.04
  5. Step 5: Solve for x
    x = 5,257,485.04/2,629.67
  6. Step 6: Final answer
    x = 1,999.30

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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.