Home / 2,629.85-3,629.08-1,450.90

Finding the Fourth Proportional to 2,629.85, 3,629.08 and 1,450.90

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Solution

The fourth proportional to 2,629.85, 3,629.08 and 1,450.90 is: 2,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.85 : 3,629.08 = 1,450.90 : x
  2. Step 2: Convert to fraction form
    2,629.85/3,629.08 = 1,450.90/x
  3. Step 3: Cross multiply
    2,629.85x = 3,629.08 × 1,450.90
  4. Step 4: Simplify right side
    2,629.85x = 5,265,438.52
  5. Step 5: Solve for x
    x = 5,265,438.52/2,629.85
  6. Step 6: Final answer
    x = 2,002.19

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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.