Home / 2,895.02-3,992.10-2,150.44

Finding the Fourth Proportional to 2,895.02, 3,992.10 and 2,150.44

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Solution

The fourth proportional to 2,895.02, 3,992.10 and 2,150.44 is: 2,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.02 : 3,992.10 = 2,150.44 : x
  2. Step 2: Convert to fraction form
    2,895.02/3,992.10 = 2,150.44/x
  3. Step 3: Cross multiply
    2,895.02x = 3,992.10 × 2,150.44
  4. Step 4: Simplify right side
    2,895.02x = 8,584,771.52
  5. Step 5: Solve for x
    x = 8,584,771.52/2,895.02
  6. Step 6: Final answer
    x = 2,965.36

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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.