Home / 3,419.35-4,720.48-2,306.14

Finding the Fourth Proportional to 3,419.35, 4,720.48 and 2,306.14

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Solution

The fourth proportional to 3,419.35, 4,720.48 and 2,306.14 is: 3,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.35 : 4,720.48 = 2,306.14 : x
  2. Step 2: Convert to fraction form
    3,419.35/4,720.48 = 2,306.14/x
  3. Step 3: Cross multiply
    3,419.35x = 4,720.48 × 2,306.14
  4. Step 4: Simplify right side
    3,419.35x = 10,886,070.18
  5. Step 5: Solve for x
    x = 10,886,070.18/3,419.35
  6. Step 6: Final answer
    x = 3,183.67

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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.