Home / 4,185.75-5,774.90-2,391.94

Finding the Fourth Proportional to 4,185.75, 5,774.90 and 2,391.94

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Solution

The fourth proportional to 4,185.75, 5,774.90 and 2,391.94 is: 3,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.75 : 5,774.90 = 2,391.94 : x
  2. Step 2: Convert to fraction form
    4,185.75/5,774.90 = 2,391.94/x
  3. Step 3: Cross multiply
    4,185.75x = 5,774.90 × 2,391.94
  4. Step 4: Simplify right side
    4,185.75x = 13,813,193.89
  5. Step 5: Solve for x
    x = 13,813,193.89/4,185.75
  6. Step 6: Final answer
    x = 3,300.05

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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.