Home / 2,009.39-2,772.74-1,170.02

Finding the Fourth Proportional to 2,009.39, 2,772.74 and 1,170.02

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Solution

The fourth proportional to 2,009.39, 2,772.74 and 1,170.02 is: 1,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.39 : 2,772.74 = 1,170.02 : x
  2. Step 2: Convert to fraction form
    2,009.39/2,772.74 = 1,170.02/x
  3. Step 3: Cross multiply
    2,009.39x = 2,772.74 × 1,170.02
  4. Step 4: Simplify right side
    2,009.39x = 3,244,171.11
  5. Step 5: Solve for x
    x = 3,244,171.11/2,009.39
  6. Step 6: Final answer
    x = 1,614.51

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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.