Home / 3,370.27-5,055.45-1,811.65

Finding the Fourth Proportional to 3,370.27, 5,055.45 and 1,811.65

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Solution

The fourth proportional to 3,370.27, 5,055.45 and 1,811.65 is: 2,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.27 : 5,055.45 = 1,811.65 : x
  2. Step 2: Convert to fraction form
    3,370.27/5,055.45 = 1,811.65/x
  3. Step 3: Cross multiply
    3,370.27x = 5,055.45 × 1,811.65
  4. Step 4: Simplify right side
    3,370.27x = 9,158,705.99
  5. Step 5: Solve for x
    x = 9,158,705.99/3,370.27
  6. Step 6: Final answer
    x = 2,717.50

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1.5x scale

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.