Home / 3,019.42-4,166.79-1,761.22

Finding the Fourth Proportional to 3,019.42, 4,166.79 and 1,761.22

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Solution

The fourth proportional to 3,019.42, 4,166.79 and 1,761.22 is: 2,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.42 : 4,166.79 = 1,761.22 : x
  2. Step 2: Convert to fraction form
    3,019.42/4,166.79 = 1,761.22/x
  3. Step 3: Cross multiply
    3,019.42x = 4,166.79 × 1,761.22
  4. Step 4: Simplify right side
    3,019.42x = 7,338,633.88
  5. Step 5: Solve for x
    x = 7,338,633.88/3,019.42
  6. Step 6: Final answer
    x = 2,430.48

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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.