Home / 2,230.47-3,078.68-1,346.33

Finding the Fourth Proportional to 2,230.47, 3,078.68 and 1,346.33

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Solution

The fourth proportional to 2,230.47, 3,078.68 and 1,346.33 is: 1,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.47 : 3,078.68 = 1,346.33 : x
  2. Step 2: Convert to fraction form
    2,230.47/3,078.68 = 1,346.33/x
  3. Step 3: Cross multiply
    2,230.47x = 3,078.68 × 1,346.33
  4. Step 4: Simplify right side
    2,230.47x = 4,144,930.31
  5. Step 5: Solve for x
    x = 4,144,930.31/2,230.47
  6. Step 6: Final answer
    x = 1,858.32

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1.5x scale

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.