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Finding the Fourth Proportional to 3,656.63, 5,482.49 and 1,808.93

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Solution

The fourth proportional to 3,656.63, 5,482.49 and 1,808.93 is: 2,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.63 : 5,482.49 = 1,808.93 : x
  2. Step 2: Convert to fraction form
    3,656.63/5,482.49 = 1,808.93/x
  3. Step 3: Cross multiply
    3,656.63x = 5,482.49 × 1,808.93
  4. Step 4: Simplify right side
    3,656.63x = 9,917,404.18
  5. Step 5: Solve for x
    x = 9,917,404.18/3,656.63
  6. Step 6: Final answer
    x = 2,712.17

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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.