Home / 3,019.38-4,166.75-1,761.30

Finding the Fourth Proportional to 3,019.38, 4,166.75 and 1,761.30

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Solution

The fourth proportional to 3,019.38, 4,166.75 and 1,761.30 is: 2,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.38 : 4,166.75 = 1,761.30 : x
  2. Step 2: Convert to fraction form
    3,019.38/4,166.75 = 1,761.30/x
  3. Step 3: Cross multiply
    3,019.38x = 4,166.75 × 1,761.30
  4. Step 4: Simplify right side
    3,019.38x = 7,338,896.78
  5. Step 5: Solve for x
    x = 7,338,896.78/3,019.38
  6. Step 6: Final answer
    x = 2,430.60

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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.