Home / 2,938.26-4,054.42-1,611.60

Finding the Fourth Proportional to 2,938.26, 4,054.42 and 1,611.60

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Solution

The fourth proportional to 2,938.26, 4,054.42 and 1,611.60 is: 2,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.26 : 4,054.42 = 1,611.60 : x
  2. Step 2: Convert to fraction form
    2,938.26/4,054.42 = 1,611.60/x
  3. Step 3: Cross multiply
    2,938.26x = 4,054.42 × 1,611.60
  4. Step 4: Simplify right side
    2,938.26x = 6,534,103.27
  5. Step 5: Solve for x
    x = 6,534,103.27/2,938.26
  6. Step 6: Final answer
    x = 2,223.80

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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.