Home / 3,527.34-5,289.09-1,678.87

Finding the Fourth Proportional to 3,527.34, 5,289.09 and 1,678.87

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Solution

The fourth proportional to 3,527.34, 5,289.09 and 1,678.87 is: 2,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.34 : 5,289.09 = 1,678.87 : x
  2. Step 2: Convert to fraction form
    3,527.34/5,289.09 = 1,678.87/x
  3. Step 3: Cross multiply
    3,527.34x = 5,289.09 × 1,678.87
  4. Step 4: Simplify right side
    3,527.34x = 8,879,694.53
  5. Step 5: Solve for x
    x = 8,879,694.53/3,527.34
  6. Step 6: Final answer
    x = 2,517.39

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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.