Home / 2,149.43-2,962.17-1,485.09

Finding the Fourth Proportional to 2,149.43, 2,962.17 and 1,485.09

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Solution

The fourth proportional to 2,149.43, 2,962.17 and 1,485.09 is: 2,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.43 : 2,962.17 = 1,485.09 : x
  2. Step 2: Convert to fraction form
    2,149.43/2,962.17 = 1,485.09/x
  3. Step 3: Cross multiply
    2,149.43x = 2,962.17 × 1,485.09
  4. Step 4: Simplify right side
    2,149.43x = 4,399,089.05
  5. Step 5: Solve for x
    x = 4,399,089.05/2,149.43
  6. Step 6: Final answer
    x = 2,046.64

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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.