Home / 2,774.02-4,170.34-1,958.14

Finding the Fourth Proportional to 2,774.02, 4,170.34 and 1,958.14

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Solution

The fourth proportional to 2,774.02, 4,170.34 and 1,958.14 is: 2,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.02 : 4,170.34 = 1,958.14 : x
  2. Step 2: Convert to fraction form
    2,774.02/4,170.34 = 1,958.14/x
  3. Step 3: Cross multiply
    2,774.02x = 4,170.34 × 1,958.14
  4. Step 4: Simplify right side
    2,774.02x = 8,166,109.57
  5. Step 5: Solve for x
    x = 8,166,109.57/2,774.02
  6. Step 6: Final answer
    x = 2,943.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.