Home / 3,123.03-4,682.43-1,479.75

Finding the Fourth Proportional to 3,123.03, 4,682.43 and 1,479.75

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Solution

The fourth proportional to 3,123.03, 4,682.43 and 1,479.75 is: 2,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.03 : 4,682.43 = 1,479.75 : x
  2. Step 2: Convert to fraction form
    3,123.03/4,682.43 = 1,479.75/x
  3. Step 3: Cross multiply
    3,123.03x = 4,682.43 × 1,479.75
  4. Step 4: Simplify right side
    3,123.03x = 6,928,825.79
  5. Step 5: Solve for x
    x = 6,928,825.79/3,123.03
  6. Step 6: Final answer
    x = 2,218.62

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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.