Home / 2,015.26-3,007.22-1,808.40

Finding the Fourth Proportional to 2,015.26, 3,007.22 and 1,808.40

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Solution

The fourth proportional to 2,015.26, 3,007.22 and 1,808.40 is: 2,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.26 : 3,007.22 = 1,808.40 : x
  2. Step 2: Convert to fraction form
    2,015.26/3,007.22 = 1,808.40/x
  3. Step 3: Cross multiply
    2,015.26x = 3,007.22 × 1,808.40
  4. Step 4: Simplify right side
    2,015.26x = 5,438,256.65
  5. Step 5: Solve for x
    x = 5,438,256.65/2,015.26
  6. Step 6: Final answer
    x = 2,698.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.