Home / 1,833.15-2,745.16-1,282.76

Finding the Fourth Proportional to 1,833.15, 2,745.16 and 1,282.76

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Solution

The fourth proportional to 1,833.15, 2,745.16 and 1,282.76 is: 1,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.15 : 2,745.16 = 1,282.76 : x
  2. Step 2: Convert to fraction form
    1,833.15/2,745.16 = 1,282.76/x
  3. Step 3: Cross multiply
    1,833.15x = 2,745.16 × 1,282.76
  4. Step 4: Simplify right side
    1,833.15x = 3,521,364.51
  5. Step 5: Solve for x
    x = 3,521,364.51/1,833.15
  6. Step 6: Final answer
    x = 1,920.94

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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.