Home / 3,085.94-4,258.80-1,759.46

Finding the Fourth Proportional to 3,085.94, 4,258.80 and 1,759.46

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Solution

The fourth proportional to 3,085.94, 4,258.80 and 1,759.46 is: 2,428.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.94 : 4,258.80 = 1,759.46 : x
  2. Step 2: Convert to fraction form
    3,085.94/4,258.80 = 1,759.46/x
  3. Step 3: Cross multiply
    3,085.94x = 4,258.80 × 1,759.46
  4. Step 4: Simplify right side
    3,085.94x = 7,493,188.25
  5. Step 5: Solve for x
    x = 7,493,188.25/3,085.94
  6. Step 6: Final answer
    x = 2,428.17

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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.