Home / 3,173.80-4,760.15-1,224.40

Finding the Fourth Proportional to 3,173.80, 4,760.15 and 1,224.40

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Solution

The fourth proportional to 3,173.80, 4,760.15 and 1,224.40 is: 1,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.80 : 4,760.15 = 1,224.40 : x
  2. Step 2: Convert to fraction form
    3,173.80/4,760.15 = 1,224.40/x
  3. Step 3: Cross multiply
    3,173.80x = 4,760.15 × 1,224.40
  4. Step 4: Simplify right side
    3,173.80x = 5,828,321.54
  5. Step 5: Solve for x
    x = 5,828,321.54/3,173.80
  6. Step 6: Final answer
    x = 1,836.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.