Home / 2,009.96-3,015.36-623.26

Finding the Fourth Proportional to 2,009.96, 3,015.36 and 623.26

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Solution

The fourth proportional to 2,009.96, 3,015.36 and 623.26 is: 935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.96 : 3,015.36 = 623.26 : x
  2. Step 2: Convert to fraction form
    2,009.96/3,015.36 = 623.26/x
  3. Step 3: Cross multiply
    2,009.96x = 3,015.36 × 623.26
  4. Step 4: Simplify right side
    2,009.96x = 1,879,345.74
  5. Step 5: Solve for x
    x = 1,879,345.74/2,009.96
  6. Step 6: Final answer
    x = 935.02

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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.