Home / 3,275.51-4,910.81-1,976.67

Finding the Fourth Proportional to 3,275.51, 4,910.81 and 1,976.67

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Solution

The fourth proportional to 3,275.51, 4,910.81 and 1,976.67 is: 2,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.51 : 4,910.81 = 1,976.67 : x
  2. Step 2: Convert to fraction form
    3,275.51/4,910.81 = 1,976.67/x
  3. Step 3: Cross multiply
    3,275.51x = 4,910.81 × 1,976.67
  4. Step 4: Simplify right side
    3,275.51x = 9,707,040.92
  5. Step 5: Solve for x
    x = 9,707,040.92/3,275.51
  6. Step 6: Final answer
    x = 2,963.52

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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.