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Finding the Fourth Proportional to 3,770.74, 5,203.65 and 2,069.23

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Solution

The fourth proportional to 3,770.74, 5,203.65 and 2,069.23 is: 2,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.74 : 5,203.65 = 2,069.23 : x
  2. Step 2: Convert to fraction form
    3,770.74/5,203.65 = 2,069.23/x
  3. Step 3: Cross multiply
    3,770.74x = 5,203.65 × 2,069.23
  4. Step 4: Simplify right side
    3,770.74x = 10,767,538.34
  5. Step 5: Solve for x
    x = 10,767,538.34/3,770.74
  6. Step 6: Final answer
    x = 2,855.55

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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.