Home / 1,845.40-2,546.68-1,006.12

Finding the Fourth Proportional to 1,845.40, 2,546.68 and 1,006.12

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Solution

The fourth proportional to 1,845.40, 2,546.68 and 1,006.12 is: 1,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.40 : 2,546.68 = 1,006.12 : x
  2. Step 2: Convert to fraction form
    1,845.40/2,546.68 = 1,006.12/x
  3. Step 3: Cross multiply
    1,845.40x = 2,546.68 × 1,006.12
  4. Step 4: Simplify right side
    1,845.40x = 2,562,265.68
  5. Step 5: Solve for x
    x = 2,562,265.68/1,845.40
  6. Step 6: Final answer
    x = 1,388.46

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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.