Home / 3,084.88-4,258.40-2,091.52

Finding the Fourth Proportional to 3,084.88, 4,258.40 and 2,091.52

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Solution

The fourth proportional to 3,084.88, 4,258.40 and 2,091.52 is: 2,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.88 : 4,258.40 = 2,091.52 : x
  2. Step 2: Convert to fraction form
    3,084.88/4,258.40 = 2,091.52/x
  3. Step 3: Cross multiply
    3,084.88x = 4,258.40 × 2,091.52
  4. Step 4: Simplify right side
    3,084.88x = 8,906,528.77
  5. Step 5: Solve for x
    x = 8,906,528.77/3,084.88
  6. Step 6: Final answer
    x = 2,887.16

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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.