Home / 4,178.41-5,763.44-2,688.22

Finding the Fourth Proportional to 4,178.41, 5,763.44 and 2,688.22

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Solution

The fourth proportional to 4,178.41, 5,763.44 and 2,688.22 is: 3,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.41 : 5,763.44 = 2,688.22 : x
  2. Step 2: Convert to fraction form
    4,178.41/5,763.44 = 2,688.22/x
  3. Step 3: Cross multiply
    4,178.41x = 5,763.44 × 2,688.22
  4. Step 4: Simplify right side
    4,178.41x = 15,493,352.42
  5. Step 5: Solve for x
    x = 15,493,352.42/4,178.41
  6. Step 6: Final answer
    x = 3,707.96

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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.