Home / 3,245.40-4,866.56-1,858.36

Finding the Fourth Proportional to 3,245.40, 4,866.56 and 1,858.36

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Solution

The fourth proportional to 3,245.40, 4,866.56 and 1,858.36 is: 2,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.40 : 4,866.56 = 1,858.36 : x
  2. Step 2: Convert to fraction form
    3,245.40/4,866.56 = 1,858.36/x
  3. Step 3: Cross multiply
    3,245.40x = 4,866.56 × 1,858.36
  4. Step 4: Simplify right side
    3,245.40x = 9,043,820.44
  5. Step 5: Solve for x
    x = 9,043,820.44/3,245.40
  6. Step 6: Final answer
    x = 2,786.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.