Home / 3,148.25-4,723.22-2,803.95

Finding the Fourth Proportional to 3,148.25, 4,723.22 and 2,803.95

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Solution

The fourth proportional to 3,148.25, 4,723.22 and 2,803.95 is: 4,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.25 : 4,723.22 = 2,803.95 : x
  2. Step 2: Convert to fraction form
    3,148.25/4,723.22 = 2,803.95/x
  3. Step 3: Cross multiply
    3,148.25x = 4,723.22 × 2,803.95
  4. Step 4: Simplify right side
    3,148.25x = 13,243,649.10
  5. Step 5: Solve for x
    x = 13,243,649.10/3,148.25
  6. Step 6: Final answer
    x = 4,206.67

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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.