Home / 2,955.98-4,079.02-1,629.61

Finding the Fourth Proportional to 2,955.98, 4,079.02 and 1,629.61

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Solution

The fourth proportional to 2,955.98, 4,079.02 and 1,629.61 is: 2,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.98 : 4,079.02 = 1,629.61 : x
  2. Step 2: Convert to fraction form
    2,955.98/4,079.02 = 1,629.61/x
  3. Step 3: Cross multiply
    2,955.98x = 4,079.02 × 1,629.61
  4. Step 4: Simplify right side
    2,955.98x = 6,647,211.78
  5. Step 5: Solve for x
    x = 6,647,211.78/2,955.98
  6. Step 6: Final answer
    x = 2,248.73

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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.