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Finding the Fourth Proportional to 3,054.60, 4,605.75 and 2,946.60

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Solution

The fourth proportional to 3,054.60, 4,605.75 and 2,946.60 is: 4,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.60 : 4,605.75 = 2,946.60 : x
  2. Step 2: Convert to fraction form
    3,054.60/4,605.75 = 2,946.60/x
  3. Step 3: Cross multiply
    3,054.60x = 4,605.75 × 2,946.60
  4. Step 4: Simplify right side
    3,054.60x = 13,571,302.95
  5. Step 5: Solve for x
    x = 13,571,302.95/3,054.60
  6. Step 6: Final answer
    x = 4,442.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.