Home / 2,009.46-2,771.64-1,729.21

Finding the Fourth Proportional to 2,009.46, 2,771.64 and 1,729.21

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Solution

The fourth proportional to 2,009.46, 2,771.64 and 1,729.21 is: 2,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.46 : 2,771.64 = 1,729.21 : x
  2. Step 2: Convert to fraction form
    2,009.46/2,771.64 = 1,729.21/x
  3. Step 3: Cross multiply
    2,009.46x = 2,771.64 × 1,729.21
  4. Step 4: Simplify right side
    2,009.46x = 4,792,747.60
  5. Step 5: Solve for x
    x = 4,792,747.60/2,009.46
  6. Step 6: Final answer
    x = 2,385.09

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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.