Home / 4,078.31-5,629.17-2,400.25

Finding the Fourth Proportional to 4,078.31, 5,629.17 and 2,400.25

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Solution

The fourth proportional to 4,078.31, 5,629.17 and 2,400.25 is: 3,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.31 : 5,629.17 = 2,400.25 : x
  2. Step 2: Convert to fraction form
    4,078.31/5,629.17 = 2,400.25/x
  3. Step 3: Cross multiply
    4,078.31x = 5,629.17 × 2,400.25
  4. Step 4: Simplify right side
    4,078.31x = 13,511,429.37
  5. Step 5: Solve for x
    x = 13,511,429.37/4,078.31
  6. Step 6: Final answer
    x = 3,313.00

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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.