Home / 2,290.08-3,426.90-1,982.98

Finding the Fourth Proportional to 2,290.08, 3,426.90 and 1,982.98

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Solution

The fourth proportional to 2,290.08, 3,426.90 and 1,982.98 is: 2,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.08 : 3,426.90 = 1,982.98 : x
  2. Step 2: Convert to fraction form
    2,290.08/3,426.90 = 1,982.98/x
  3. Step 3: Cross multiply
    2,290.08x = 3,426.90 × 1,982.98
  4. Step 4: Simplify right side
    2,290.08x = 6,795,474.16
  5. Step 5: Solve for x
    x = 6,795,474.16/2,290.08
  6. Step 6: Final answer
    x = 2,967.35

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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.