Home / 2,955.26-4,078.36-1,629.06

Finding the Fourth Proportional to 2,955.26, 4,078.36 and 1,629.06

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Solution

The fourth proportional to 2,955.26, 4,078.36 and 1,629.06 is: 2,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.26 : 4,078.36 = 1,629.06 : x
  2. Step 2: Convert to fraction form
    2,955.26/4,078.36 = 1,629.06/x
  3. Step 3: Cross multiply
    2,955.26x = 4,078.36 × 1,629.06
  4. Step 4: Simplify right side
    2,955.26x = 6,643,893.14
  5. Step 5: Solve for x
    x = 6,643,893.14/2,955.26
  6. Step 6: Final answer
    x = 2,248.16

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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.