Home / 3,678.63-5,516.12-1,569.92

Finding the Fourth Proportional to 3,678.63, 5,516.12 and 1,569.92

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Solution

The fourth proportional to 3,678.63, 5,516.12 and 1,569.92 is: 2,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.63 : 5,516.12 = 1,569.92 : x
  2. Step 2: Convert to fraction form
    3,678.63/5,516.12 = 1,569.92/x
  3. Step 3: Cross multiply
    3,678.63x = 5,516.12 × 1,569.92
  4. Step 4: Simplify right side
    3,678.63x = 8,659,873.05
  5. Step 5: Solve for x
    x = 8,659,873.05/3,678.63
  6. Step 6: Final answer
    x = 2,354.10

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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.