Home / 2,091.41-2,886.19-1,147.24

Finding the Fourth Proportional to 2,091.41, 2,886.19 and 1,147.24

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Solution

The fourth proportional to 2,091.41, 2,886.19 and 1,147.24 is: 1,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.41 : 2,886.19 = 1,147.24 : x
  2. Step 2: Convert to fraction form
    2,091.41/2,886.19 = 1,147.24/x
  3. Step 3: Cross multiply
    2,091.41x = 2,886.19 × 1,147.24
  4. Step 4: Simplify right side
    2,091.41x = 3,311,138.18
  5. Step 5: Solve for x
    x = 3,311,138.18/2,091.41
  6. Step 6: Final answer
    x = 1,583.21

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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.