Home / 2,226.48-3,072.15-1,518.90

Finding the Fourth Proportional to 2,226.48, 3,072.15 and 1,518.90

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Solution

The fourth proportional to 2,226.48, 3,072.15 and 1,518.90 is: 2,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.48 : 3,072.15 = 1,518.90 : x
  2. Step 2: Convert to fraction form
    2,226.48/3,072.15 = 1,518.90/x
  3. Step 3: Cross multiply
    2,226.48x = 3,072.15 × 1,518.90
  4. Step 4: Simplify right side
    2,226.48x = 4,666,288.64
  5. Step 5: Solve for x
    x = 4,666,288.64/2,226.48
  6. Step 6: Final answer
    x = 2,095.81

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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.