Home / 3,089.69-4,634.90-1,009.85

Finding the Fourth Proportional to 3,089.69, 4,634.90 and 1,009.85

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Solution

The fourth proportional to 3,089.69, 4,634.90 and 1,009.85 is: 1,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.69 : 4,634.90 = 1,009.85 : x
  2. Step 2: Convert to fraction form
    3,089.69/4,634.90 = 1,009.85/x
  3. Step 3: Cross multiply
    3,089.69x = 4,634.90 × 1,009.85
  4. Step 4: Simplify right side
    3,089.69x = 4,680,548.72
  5. Step 5: Solve for x
    x = 4,680,548.72/3,089.69
  6. Step 6: Final answer
    x = 1,514.89

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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.