Home / 2,974.49-4,104.24-1,698.20

Finding the Fourth Proportional to 2,974.49, 4,104.24 and 1,698.20

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Solution

The fourth proportional to 2,974.49, 4,104.24 and 1,698.20 is: 2,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.49 : 4,104.24 = 1,698.20 : x
  2. Step 2: Convert to fraction form
    2,974.49/4,104.24 = 1,698.20/x
  3. Step 3: Cross multiply
    2,974.49x = 4,104.24 × 1,698.20
  4. Step 4: Simplify right side
    2,974.49x = 6,969,820.37
  5. Step 5: Solve for x
    x = 6,969,820.37/2,974.49
  6. Step 6: Final answer
    x = 2,343.20

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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.