Home / 1,648.09-2,270.46-1,149.85

Finding the Fourth Proportional to 1,648.09, 2,270.46 and 1,149.85

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Solution

The fourth proportional to 1,648.09, 2,270.46 and 1,149.85 is: 1,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.09 : 2,270.46 = 1,149.85 : x
  2. Step 2: Convert to fraction form
    1,648.09/2,270.46 = 1,149.85/x
  3. Step 3: Cross multiply
    1,648.09x = 2,270.46 × 1,149.85
  4. Step 4: Simplify right side
    1,648.09x = 2,610,688.43
  5. Step 5: Solve for x
    x = 2,610,688.43/1,648.09
  6. Step 6: Final answer
    x = 1,584.07

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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.