Home / 2,918.73-4,027.41-1,800.12

Finding the Fourth Proportional to 2,918.73, 4,027.41 and 1,800.12

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Solution

The fourth proportional to 2,918.73, 4,027.41 and 1,800.12 is: 2,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.73 : 4,027.41 = 1,800.12 : x
  2. Step 2: Convert to fraction form
    2,918.73/4,027.41 = 1,800.12/x
  3. Step 3: Cross multiply
    2,918.73x = 4,027.41 × 1,800.12
  4. Step 4: Simplify right side
    2,918.73x = 7,249,821.29
  5. Step 5: Solve for x
    x = 7,249,821.29/2,918.73
  6. Step 6: Final answer
    x = 2,483.90

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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.