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Finding the Fourth Proportional to 3,703.80, 5,555.70 and 1,512.03

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Solution

The fourth proportional to 3,703.80, 5,555.70 and 1,512.03 is: 2,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.80 : 5,555.70 = 1,512.03 : x
  2. Step 2: Convert to fraction form
    3,703.80/5,555.70 = 1,512.03/x
  3. Step 3: Cross multiply
    3,703.80x = 5,555.70 × 1,512.03
  4. Step 4: Simplify right side
    3,703.80x = 8,400,385.07
  5. Step 5: Solve for x
    x = 8,400,385.07/3,703.80
  6. Step 6: Final answer
    x = 2,268.05

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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.