Home / 3,518.21-4,852.42-2,455.63

Finding the Fourth Proportional to 3,518.21, 4,852.42 and 2,455.63

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Solution

The fourth proportional to 3,518.21, 4,852.42 and 2,455.63 is: 3,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.21 : 4,852.42 = 2,455.63 : x
  2. Step 2: Convert to fraction form
    3,518.21/4,852.42 = 2,455.63/x
  3. Step 3: Cross multiply
    3,518.21x = 4,852.42 × 2,455.63
  4. Step 4: Simplify right side
    3,518.21x = 11,915,735.85
  5. Step 5: Solve for x
    x = 11,915,735.85/3,518.21
  6. Step 6: Final answer
    x = 3,386.88

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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.