Home / 2,826.12-3,902.58-1,833

Finding the Fourth Proportional to 2,826.12, 3,902.58 and 1,833

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Solution

The fourth proportional to 2,826.12, 3,902.58 and 1,833 is: 2,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.12 : 3,902.58 = 1,833 : x
  2. Step 2: Convert to fraction form
    2,826.12/3,902.58 = 1,833/x
  3. Step 3: Cross multiply
    2,826.12x = 3,902.58 × 1,833
  4. Step 4: Simplify right side
    2,826.12x = 7,153,429.14
  5. Step 5: Solve for x
    x = 7,153,429.14/2,826.12
  6. Step 6: Final answer
    x = 2,531.18

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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.