Home / 3,074.74-4,243.77-1,955.46

Finding the Fourth Proportional to 3,074.74, 4,243.77 and 1,955.46

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Solution

The fourth proportional to 3,074.74, 4,243.77 and 1,955.46 is: 2,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.74 : 4,243.77 = 1,955.46 : x
  2. Step 2: Convert to fraction form
    3,074.74/4,243.77 = 1,955.46/x
  3. Step 3: Cross multiply
    3,074.74x = 4,243.77 × 1,955.46
  4. Step 4: Simplify right side
    3,074.74x = 8,298,517.75
  5. Step 5: Solve for x
    x = 8,298,517.75/3,074.74
  6. Step 6: Final answer
    x = 2,698.94

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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.