Home / 3,151.99-4,339.20-2,364.67

Finding the Fourth Proportional to 3,151.99, 4,339.20 and 2,364.67

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Solution

The fourth proportional to 3,151.99, 4,339.20 and 2,364.67 is: 3,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.99 : 4,339.20 = 2,364.67 : x
  2. Step 2: Convert to fraction form
    3,151.99/4,339.20 = 2,364.67/x
  3. Step 3: Cross multiply
    3,151.99x = 4,339.20 × 2,364.67
  4. Step 4: Simplify right side
    3,151.99x = 10,260,776.06
  5. Step 5: Solve for x
    x = 10,260,776.06/3,151.99
  6. Step 6: Final answer
    x = 3,255.33

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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.