Home / 2,955.33-4,078.34-1,629.02

Finding the Fourth Proportional to 2,955.33, 4,078.34 and 1,629.02

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Solution

The fourth proportional to 2,955.33, 4,078.34 and 1,629.02 is: 2,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.33 : 4,078.34 = 1,629.02 : x
  2. Step 2: Convert to fraction form
    2,955.33/4,078.34 = 1,629.02/x
  3. Step 3: Cross multiply
    2,955.33x = 4,078.34 × 1,629.02
  4. Step 4: Simplify right side
    2,955.33x = 6,643,668.89
  5. Step 5: Solve for x
    x = 6,643,668.89/2,955.33
  6. Step 6: Final answer
    x = 2,248.03

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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.