Home / 3,069.10-4,226.52-2,881.42

Finding the Fourth Proportional to 3,069.10, 4,226.52 and 2,881.42

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Solution

The fourth proportional to 3,069.10, 4,226.52 and 2,881.42 is: 3,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.10 : 4,226.52 = 2,881.42 : x
  2. Step 2: Convert to fraction form
    3,069.10/4,226.52 = 2,881.42/x
  3. Step 3: Cross multiply
    3,069.10x = 4,226.52 × 2,881.42
  4. Step 4: Simplify right side
    3,069.10x = 12,178,379.26
  5. Step 5: Solve for x
    x = 12,178,379.26/3,069.10
  6. Step 6: Final answer
    x = 3,968.06

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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.