Home / 3,500.21-4,830.40-2,008.43

Finding the Fourth Proportional to 3,500.21, 4,830.40 and 2,008.43

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Solution

The fourth proportional to 3,500.21, 4,830.40 and 2,008.43 is: 2,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.21 : 4,830.40 = 2,008.43 : x
  2. Step 2: Convert to fraction form
    3,500.21/4,830.40 = 2,008.43/x
  3. Step 3: Cross multiply
    3,500.21x = 4,830.40 × 2,008.43
  4. Step 4: Simplify right side
    3,500.21x = 9,701,516.74
  5. Step 5: Solve for x
    x = 9,701,516.74/3,500.21
  6. Step 6: Final answer
    x = 2,771.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.