Home / 2,938.07-4,055.24-1,995.44

Finding the Fourth Proportional to 2,938.07, 4,055.24 and 1,995.44

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Solution

The fourth proportional to 2,938.07, 4,055.24 and 1,995.44 is: 2,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.07 : 4,055.24 = 1,995.44 : x
  2. Step 2: Convert to fraction form
    2,938.07/4,055.24 = 1,995.44/x
  3. Step 3: Cross multiply
    2,938.07x = 4,055.24 × 1,995.44
  4. Step 4: Simplify right side
    2,938.07x = 8,091,972.82
  5. Step 5: Solve for x
    x = 8,091,972.82/2,938.07
  6. Step 6: Final answer
    x = 2,754.18

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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.