Home / 3,090.44-4,632.78-1,858.16

Finding the Fourth Proportional to 3,090.44, 4,632.78 and 1,858.16

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Solution

The fourth proportional to 3,090.44, 4,632.78 and 1,858.16 is: 2,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.44 : 4,632.78 = 1,858.16 : x
  2. Step 2: Convert to fraction form
    3,090.44/4,632.78 = 1,858.16/x
  3. Step 3: Cross multiply
    3,090.44x = 4,632.78 × 1,858.16
  4. Step 4: Simplify right side
    3,090.44x = 8,608,446.48
  5. Step 5: Solve for x
    x = 8,608,446.48/3,090.44
  6. Step 6: Final answer
    x = 2,785.51

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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.