Home / 3,037.74-4,189.20-1,974.36

Finding the Fourth Proportional to 3,037.74, 4,189.20 and 1,974.36

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Solution

The fourth proportional to 3,037.74, 4,189.20 and 1,974.36 is: 2,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.74 : 4,189.20 = 1,974.36 : x
  2. Step 2: Convert to fraction form
    3,037.74/4,189.20 = 1,974.36/x
  3. Step 3: Cross multiply
    3,037.74x = 4,189.20 × 1,974.36
  4. Step 4: Simplify right side
    3,037.74x = 8,270,988.91
  5. Step 5: Solve for x
    x = 8,270,988.91/3,037.74
  6. Step 6: Final answer
    x = 2,722.74

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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.