Home / 2,673.17-3,678.86-2,190.67

Finding the Fourth Proportional to 2,673.17, 3,678.86 and 2,190.67

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Solution

The fourth proportional to 2,673.17, 3,678.86 and 2,190.67 is: 3,014.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.17 : 3,678.86 = 2,190.67 : x
  2. Step 2: Convert to fraction form
    2,673.17/3,678.86 = 2,190.67/x
  3. Step 3: Cross multiply
    2,673.17x = 3,678.86 × 2,190.67
  4. Step 4: Simplify right side
    2,673.17x = 8,059,168.24
  5. Step 5: Solve for x
    x = 8,059,168.24/2,673.17
  6. Step 6: Final answer
    x = 3,014.84

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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.