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Finding the Fourth Proportional to 2,348.76, 3,241.20 and 1,300.80

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Solution

The fourth proportional to 2,348.76, 3,241.20 and 1,300.80 is: 1,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.76 : 3,241.20 = 1,300.80 : x
  2. Step 2: Convert to fraction form
    2,348.76/3,241.20 = 1,300.80/x
  3. Step 3: Cross multiply
    2,348.76x = 3,241.20 × 1,300.80
  4. Step 4: Simplify right side
    2,348.76x = 4,216,152.96
  5. Step 5: Solve for x
    x = 4,216,152.96/2,348.76
  6. Step 6: Final answer
    x = 1,795.05

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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.