Home / 2,104.28-3,154.80-1,409.84

Finding the Fourth Proportional to 2,104.28, 3,154.80 and 1,409.84

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Solution

The fourth proportional to 2,104.28, 3,154.80 and 1,409.84 is: 2,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.28 : 3,154.80 = 1,409.84 : x
  2. Step 2: Convert to fraction form
    2,104.28/3,154.80 = 1,409.84/x
  3. Step 3: Cross multiply
    2,104.28x = 3,154.80 × 1,409.84
  4. Step 4: Simplify right side
    2,104.28x = 4,447,763.23
  5. Step 5: Solve for x
    x = 4,447,763.23/2,104.28
  6. Step 6: Final answer
    x = 2,113.67

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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.