Home / 3,185.54-4,395.26-1,858.48

Finding the Fourth Proportional to 3,185.54, 4,395.26 and 1,858.48

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Solution

The fourth proportional to 3,185.54, 4,395.26 and 1,858.48 is: 2,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.54 : 4,395.26 = 1,858.48 : x
  2. Step 2: Convert to fraction form
    3,185.54/4,395.26 = 1,858.48/x
  3. Step 3: Cross multiply
    3,185.54x = 4,395.26 × 1,858.48
  4. Step 4: Simplify right side
    3,185.54x = 8,168,502.80
  5. Step 5: Solve for x
    x = 8,168,502.80/3,185.54
  6. Step 6: Final answer
    x = 2,564.24

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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.