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Finding the Fourth Proportional to 2,609.63, 3,602.48 and 1,666.70

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Solution

The fourth proportional to 2,609.63, 3,602.48 and 1,666.70 is: 2,300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.63 : 3,602.48 = 1,666.70 : x
  2. Step 2: Convert to fraction form
    2,609.63/3,602.48 = 1,666.70/x
  3. Step 3: Cross multiply
    2,609.63x = 3,602.48 × 1,666.70
  4. Step 4: Simplify right side
    2,609.63x = 6,004,253.42
  5. Step 5: Solve for x
    x = 6,004,253.42/2,609.63
  6. Step 6: Final answer
    x = 2,300.81

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