Home / 3,401.92-5,102.87-1,210.67

Finding the Fourth Proportional to 3,401.92, 5,102.87 and 1,210.67

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Solution

The fourth proportional to 3,401.92, 5,102.87 and 1,210.67 is: 1,816.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.92 : 5,102.87 = 1,210.67 : x
  2. Step 2: Convert to fraction form
    3,401.92/5,102.87 = 1,210.67/x
  3. Step 3: Cross multiply
    3,401.92x = 5,102.87 × 1,210.67
  4. Step 4: Simplify right side
    3,401.92x = 6,177,869.14
  5. Step 5: Solve for x
    x = 6,177,869.14/3,401.92
  6. Step 6: Final answer
    x = 1,816.00

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1.5x scale

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.