Home / 2,939.07-4,409.32-1,090.25

Finding the Fourth Proportional to 2,939.07, 4,409.32 and 1,090.25

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Solution

The fourth proportional to 2,939.07, 4,409.32 and 1,090.25 is: 1,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.07 : 4,409.32 = 1,090.25 : x
  2. Step 2: Convert to fraction form
    2,939.07/4,409.32 = 1,090.25/x
  3. Step 3: Cross multiply
    2,939.07x = 4,409.32 × 1,090.25
  4. Step 4: Simplify right side
    2,939.07x = 4,807,261.13
  5. Step 5: Solve for x
    x = 4,807,261.13/2,939.07
  6. Step 6: Final answer
    x = 1,635.64

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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.