Home / 3,123.29-4,311.06-1,797.93

Finding the Fourth Proportional to 3,123.29, 4,311.06 and 1,797.93

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Solution

The fourth proportional to 3,123.29, 4,311.06 and 1,797.93 is: 2,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.29 : 4,311.06 = 1,797.93 : x
  2. Step 2: Convert to fraction form
    3,123.29/4,311.06 = 1,797.93/x
  3. Step 3: Cross multiply
    3,123.29x = 4,311.06 × 1,797.93
  4. Step 4: Simplify right side
    3,123.29x = 7,750,984.11
  5. Step 5: Solve for x
    x = 7,750,984.11/3,123.29
  6. Step 6: Final answer
    x = 2,481.67

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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.