Home / 3,019.19-4,166.73-1,760.63

Finding the Fourth Proportional to 3,019.19, 4,166.73 and 1,760.63

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Solution

The fourth proportional to 3,019.19, 4,166.73 and 1,760.63 is: 2,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.19 : 4,166.73 = 1,760.63 : x
  2. Step 2: Convert to fraction form
    3,019.19/4,166.73 = 1,760.63/x
  3. Step 3: Cross multiply
    3,019.19x = 4,166.73 × 1,760.63
  4. Step 4: Simplify right side
    3,019.19x = 7,336,049.01
  5. Step 5: Solve for x
    x = 7,336,049.01/3,019.19
  6. Step 6: Final answer
    x = 2,429.81

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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.