Home / 2,009.76-3,015.36-1,144.32

Finding the Fourth Proportional to 2,009.76, 3,015.36 and 1,144.32

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Solution

The fourth proportional to 2,009.76, 3,015.36 and 1,144.32 is: 1,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.76 : 3,015.36 = 1,144.32 : x
  2. Step 2: Convert to fraction form
    2,009.76/3,015.36 = 1,144.32/x
  3. Step 3: Cross multiply
    2,009.76x = 3,015.36 × 1,144.32
  4. Step 4: Simplify right side
    2,009.76x = 3,450,536.76
  5. Step 5: Solve for x
    x = 3,450,536.76/2,009.76
  6. Step 6: Final answer
    x = 1,716.89

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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.