Home / 2,955.87-4,079.10-1,629.66

Finding the Fourth Proportional to 2,955.87, 4,079.10 and 1,629.66

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Solution

The fourth proportional to 2,955.87, 4,079.10 and 1,629.66 is: 2,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.87 : 4,079.10 = 1,629.66 : x
  2. Step 2: Convert to fraction form
    2,955.87/4,079.10 = 1,629.66/x
  3. Step 3: Cross multiply
    2,955.87x = 4,079.10 × 1,629.66
  4. Step 4: Simplify right side
    2,955.87x = 6,647,527.37
  5. Step 5: Solve for x
    x = 6,647,527.37/2,955.87
  6. Step 6: Final answer
    x = 2,248.93

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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.