Home / 3,438.46-4,742.94-2,110.87

Finding the Fourth Proportional to 3,438.46, 4,742.94 and 2,110.87

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Solution

The fourth proportional to 3,438.46, 4,742.94 and 2,110.87 is: 2,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.46 : 4,742.94 = 2,110.87 : x
  2. Step 2: Convert to fraction form
    3,438.46/4,742.94 = 2,110.87/x
  3. Step 3: Cross multiply
    3,438.46x = 4,742.94 × 2,110.87
  4. Step 4: Simplify right side
    3,438.46x = 10,011,729.76
  5. Step 5: Solve for x
    x = 10,011,729.76/3,438.46
  6. Step 6: Final answer
    x = 2,911.69

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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.