Home / 3,174.92-4,381.35-1,777.67

Finding the Fourth Proportional to 3,174.92, 4,381.35 and 1,777.67

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Solution

The fourth proportional to 3,174.92, 4,381.35 and 1,777.67 is: 2,453.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.92 : 4,381.35 = 1,777.67 : x
  2. Step 2: Convert to fraction form
    3,174.92/4,381.35 = 1,777.67/x
  3. Step 3: Cross multiply
    3,174.92x = 4,381.35 × 1,777.67
  4. Step 4: Simplify right side
    3,174.92x = 7,788,594.45
  5. Step 5: Solve for x
    x = 7,788,594.45/3,174.92
  6. Step 6: Final answer
    x = 2,453.16

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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.