Home / 2,955.93-4,079.22-1,629.69

Finding the Fourth Proportional to 2,955.93, 4,079.22 and 1,629.69

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Solution

The fourth proportional to 2,955.93, 4,079.22 and 1,629.69 is: 2,248.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.93 : 4,079.22 = 1,629.69 : x
  2. Step 2: Convert to fraction form
    2,955.93/4,079.22 = 1,629.69/x
  3. Step 3: Cross multiply
    2,955.93x = 4,079.22 × 1,629.69
  4. Step 4: Simplify right side
    2,955.93x = 6,647,864.04
  5. Step 5: Solve for x
    x = 6,647,864.04/2,955.93
  6. Step 6: Final answer
    x = 2,248.99

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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.