Home / 2,955.39-4,078.25-1,629.10

Finding the Fourth Proportional to 2,955.39, 4,078.25 and 1,629.10

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Solution

The fourth proportional to 2,955.39, 4,078.25 and 1,629.10 is: 2,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.39 : 4,078.25 = 1,629.10 : x
  2. Step 2: Convert to fraction form
    2,955.39/4,078.25 = 1,629.10/x
  3. Step 3: Cross multiply
    2,955.39x = 4,078.25 × 1,629.10
  4. Step 4: Simplify right side
    2,955.39x = 6,643,873.00
  5. Step 5: Solve for x
    x = 6,643,873.00/2,955.39
  6. Step 6: Final answer
    x = 2,248.06

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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.