Home / 2,938.22-4,054.60-1,611.88

Finding the Fourth Proportional to 2,938.22, 4,054.60 and 1,611.88

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Solution

The fourth proportional to 2,938.22, 4,054.60 and 1,611.88 is: 2,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.22 : 4,054.60 = 1,611.88 : x
  2. Step 2: Convert to fraction form
    2,938.22/4,054.60 = 1,611.88/x
  3. Step 3: Cross multiply
    2,938.22x = 4,054.60 × 1,611.88
  4. Step 4: Simplify right side
    2,938.22x = 6,535,528.65
  5. Step 5: Solve for x
    x = 6,535,528.65/2,938.22
  6. Step 6: Final answer
    x = 2,224.32

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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.