Home / 2,019.06-2,787.48-1,723.77

Finding the Fourth Proportional to 2,019.06, 2,787.48 and 1,723.77

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Solution

The fourth proportional to 2,019.06, 2,787.48 and 1,723.77 is: 2,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.06 : 2,787.48 = 1,723.77 : x
  2. Step 2: Convert to fraction form
    2,019.06/2,787.48 = 1,723.77/x
  3. Step 3: Cross multiply
    2,019.06x = 2,787.48 × 1,723.77
  4. Step 4: Simplify right side
    2,019.06x = 4,804,974.40
  5. Step 5: Solve for x
    x = 4,804,974.40/2,019.06
  6. Step 6: Final answer
    x = 2,379.81

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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.