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Finding the Fourth Proportional to 3,503.75, 4,835.61 and 2,012.19

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Solution

The fourth proportional to 3,503.75, 4,835.61 and 2,012.19 is: 2,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.75 : 4,835.61 = 2,012.19 : x
  2. Step 2: Convert to fraction form
    3,503.75/4,835.61 = 2,012.19/x
  3. Step 3: Cross multiply
    3,503.75x = 4,835.61 × 2,012.19
  4. Step 4: Simplify right side
    3,503.75x = 9,730,166.09
  5. Step 5: Solve for x
    x = 9,730,166.09/3,503.75
  6. Step 6: Final answer
    x = 2,777.08

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Double scale
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1.5x scale

Why These Related Problems?

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