Home / 2,743.19-4,115.75-1,822.40

Finding the Fourth Proportional to 2,743.19, 4,115.75 and 1,822.40

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Solution

The fourth proportional to 2,743.19, 4,115.75 and 1,822.40 is: 2,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.19 : 4,115.75 = 1,822.40 : x
  2. Step 2: Convert to fraction form
    2,743.19/4,115.75 = 1,822.40/x
  3. Step 3: Cross multiply
    2,743.19x = 4,115.75 × 1,822.40
  4. Step 4: Simplify right side
    2,743.19x = 7,500,513.11
  5. Step 5: Solve for x
    x = 7,500,513.11/2,743.19
  6. Step 6: Final answer
    x = 2,734.24

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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.