Home / 2,738.02-3,775.16-1,899.44

Finding the Fourth Proportional to 2,738.02, 3,775.16 and 1,899.44

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Solution

The fourth proportional to 2,738.02, 3,775.16 and 1,899.44 is: 2,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.02 : 3,775.16 = 1,899.44 : x
  2. Step 2: Convert to fraction form
    2,738.02/3,775.16 = 1,899.44/x
  3. Step 3: Cross multiply
    2,738.02x = 3,775.16 × 1,899.44
  4. Step 4: Simplify right side
    2,738.02x = 7,170,689.91
  5. Step 5: Solve for x
    x = 7,170,689.91/2,738.02
  6. Step 6: Final answer
    x = 2,618.93

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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.