Home / 3,089.73-4,634.12-1,009.72

Finding the Fourth Proportional to 3,089.73, 4,634.12 and 1,009.72

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Solution

The fourth proportional to 3,089.73, 4,634.12 and 1,009.72 is: 1,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.73 : 4,634.12 = 1,009.72 : x
  2. Step 2: Convert to fraction form
    3,089.73/4,634.12 = 1,009.72/x
  3. Step 3: Cross multiply
    3,089.73x = 4,634.12 × 1,009.72
  4. Step 4: Simplify right side
    3,089.73x = 4,679,158.35
  5. Step 5: Solve for x
    x = 4,679,158.35/3,089.73
  6. Step 6: Final answer
    x = 1,514.42

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1.5x scale

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.