Home / 2,091.64-2,886.54-1,160.14

Finding the Fourth Proportional to 2,091.64, 2,886.54 and 1,160.14

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Solution

The fourth proportional to 2,091.64, 2,886.54 and 1,160.14 is: 1,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.64 : 2,886.54 = 1,160.14 : x
  2. Step 2: Convert to fraction form
    2,091.64/2,886.54 = 1,160.14/x
  3. Step 3: Cross multiply
    2,091.64x = 2,886.54 × 1,160.14
  4. Step 4: Simplify right side
    2,091.64x = 3,348,790.52
  5. Step 5: Solve for x
    x = 3,348,790.52/2,091.64
  6. Step 6: Final answer
    x = 1,601.04

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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.