Home / 3,311.12-4,567.62-2,051.78

Finding the Fourth Proportional to 3,311.12, 4,567.62 and 2,051.78

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Solution

The fourth proportional to 3,311.12, 4,567.62 and 2,051.78 is: 2,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.12 : 4,567.62 = 2,051.78 : x
  2. Step 2: Convert to fraction form
    3,311.12/4,567.62 = 2,051.78/x
  3. Step 3: Cross multiply
    3,311.12x = 4,567.62 × 2,051.78
  4. Step 4: Simplify right side
    3,311.12x = 9,371,736.22
  5. Step 5: Solve for x
    x = 9,371,736.22/3,311.12
  6. Step 6: Final answer
    x = 2,830.38

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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.