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Finding the Fourth Proportional to 2,883.60, 4,028.40 and 2,883.60

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Solution

The fourth proportional to 2,883.60, 4,028.40 and 2,883.60 is: 4,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.60 : 4,028.40 = 2,883.60 : x
  2. Step 2: Convert to fraction form
    2,883.60/4,028.40 = 2,883.60/x
  3. Step 3: Cross multiply
    2,883.60x = 4,028.40 × 2,883.60
  4. Step 4: Simplify right side
    2,883.60x = 11,616,294.24
  5. Step 5: Solve for x
    x = 11,616,294.24/2,883.60
  6. Step 6: Final answer
    x = 4,028.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.