Home / 2,074.95-2,863.72-1,190.60

Finding the Fourth Proportional to 2,074.95, 2,863.72 and 1,190.60

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Solution

The fourth proportional to 2,074.95, 2,863.72 and 1,190.60 is: 1,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.95 : 2,863.72 = 1,190.60 : x
  2. Step 2: Convert to fraction form
    2,074.95/2,863.72 = 1,190.60/x
  3. Step 3: Cross multiply
    2,074.95x = 2,863.72 × 1,190.60
  4. Step 4: Simplify right side
    2,074.95x = 3,409,542.94
  5. Step 5: Solve for x
    x = 3,409,542.94/2,074.95
  6. Step 6: Final answer
    x = 1,643.19

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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.