Home / 3,313.80-4,971.78-1,234.92

Finding the Fourth Proportional to 3,313.80, 4,971.78 and 1,234.92

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Solution

The fourth proportional to 3,313.80, 4,971.78 and 1,234.92 is: 1,852.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.80 : 4,971.78 = 1,234.92 : x
  2. Step 2: Convert to fraction form
    3,313.80/4,971.78 = 1,234.92/x
  3. Step 3: Cross multiply
    3,313.80x = 4,971.78 × 1,234.92
  4. Step 4: Simplify right side
    3,313.80x = 6,139,750.56
  5. Step 5: Solve for x
    x = 6,139,750.56/3,313.80
  6. Step 6: Final answer
    x = 1,852.78

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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.