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Finding the Fourth Proportional to 2,880.90, 3,975.48 and 1,702.08

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Solution

The fourth proportional to 2,880.90, 3,975.48 and 1,702.08 is: 2,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.90 : 3,975.48 = 1,702.08 : x
  2. Step 2: Convert to fraction form
    2,880.90/3,975.48 = 1,702.08/x
  3. Step 3: Cross multiply
    2,880.90x = 3,975.48 × 1,702.08
  4. Step 4: Simplify right side
    2,880.90x = 6,766,585.00
  5. Step 5: Solve for x
    x = 6,766,585.00/2,880.90
  6. Step 6: Final answer
    x = 2,348.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.