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Finding the Fourth Proportional to 2,503.60, 3,755.08 and 654.84

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Solution

The fourth proportional to 2,503.60, 3,755.08 and 654.84 is: 982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.60 : 3,755.08 = 654.84 : x
  2. Step 2: Convert to fraction form
    2,503.60/3,755.08 = 654.84/x
  3. Step 3: Cross multiply
    2,503.60x = 3,755.08 × 654.84
  4. Step 4: Simplify right side
    2,503.60x = 2,458,976.59
  5. Step 5: Solve for x
    x = 2,458,976.59/2,503.60
  6. Step 6: Final answer
    x = 982.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.