Home / 3,086.19-4,258.67-1,759.77

Finding the Fourth Proportional to 3,086.19, 4,258.67 and 1,759.77

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Solution

The fourth proportional to 3,086.19, 4,258.67 and 1,759.77 is: 2,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.19 : 4,258.67 = 1,759.77 : x
  2. Step 2: Convert to fraction form
    3,086.19/4,258.67 = 1,759.77/x
  3. Step 3: Cross multiply
    3,086.19x = 4,258.67 × 1,759.77
  4. Step 4: Simplify right side
    3,086.19x = 7,494,270.91
  5. Step 5: Solve for x
    x = 7,494,270.91/3,086.19
  6. Step 6: Final answer
    x = 2,428.32

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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.