Home / 3,185.25-4,395.06-1,858.64

Finding the Fourth Proportional to 3,185.25, 4,395.06 and 1,858.64

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Solution

The fourth proportional to 3,185.25, 4,395.06 and 1,858.64 is: 2,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.25 : 4,395.06 = 1,858.64 : x
  2. Step 2: Convert to fraction form
    3,185.25/4,395.06 = 1,858.64/x
  3. Step 3: Cross multiply
    3,185.25x = 4,395.06 × 1,858.64
  4. Step 4: Simplify right side
    3,185.25x = 8,168,812.34
  5. Step 5: Solve for x
    x = 8,168,812.34/3,185.25
  6. Step 6: Final answer
    x = 2,564.57

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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.