Home / 4,121.99-5,688.63-2,328.85

Finding the Fourth Proportional to 4,121.99, 5,688.63 and 2,328.85

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Solution

The fourth proportional to 4,121.99, 5,688.63 and 2,328.85 is: 3,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.99 : 5,688.63 = 2,328.85 : x
  2. Step 2: Convert to fraction form
    4,121.99/5,688.63 = 2,328.85/x
  3. Step 3: Cross multiply
    4,121.99x = 5,688.63 × 2,328.85
  4. Step 4: Simplify right side
    4,121.99x = 13,247,973.09
  5. Step 5: Solve for x
    x = 13,247,973.09/4,121.99
  6. Step 6: Final answer
    x = 3,213.97

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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.