Home / 3,089.21-4,629.23-1,623.92

Finding the Fourth Proportional to 3,089.21, 4,629.23 and 1,623.92

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Solution

The fourth proportional to 3,089.21, 4,629.23 and 1,623.92 is: 2,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.21 : 4,629.23 = 1,623.92 : x
  2. Step 2: Convert to fraction form
    3,089.21/4,629.23 = 1,623.92/x
  3. Step 3: Cross multiply
    3,089.21x = 4,629.23 × 1,623.92
  4. Step 4: Simplify right side
    3,089.21x = 7,517,509.18
  5. Step 5: Solve for x
    x = 7,517,509.18/3,089.21
  6. Step 6: Final answer
    x = 2,433.47

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1.5x scale

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.