Home / 3,089.81-4,634.58-1,009.56

Finding the Fourth Proportional to 3,089.81, 4,634.58 and 1,009.56

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Solution

The fourth proportional to 3,089.81, 4,634.58 and 1,009.56 is: 1,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.81 : 4,634.58 = 1,009.56 : x
  2. Step 2: Convert to fraction form
    3,089.81/4,634.58 = 1,009.56/x
  3. Step 3: Cross multiply
    3,089.81x = 4,634.58 × 1,009.56
  4. Step 4: Simplify right side
    3,089.81x = 4,678,860.13
  5. Step 5: Solve for x
    x = 4,678,860.13/3,089.81
  6. Step 6: Final answer
    x = 1,514.29

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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.