Home / 3,249.36-4,869.42-2,515.50

Finding the Fourth Proportional to 3,249.36, 4,869.42 and 2,515.50

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Solution

The fourth proportional to 3,249.36, 4,869.42 and 2,515.50 is: 3,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.36 : 4,869.42 = 2,515.50 : x
  2. Step 2: Convert to fraction form
    3,249.36/4,869.42 = 2,515.50/x
  3. Step 3: Cross multiply
    3,249.36x = 4,869.42 × 2,515.50
  4. Step 4: Simplify right side
    3,249.36x = 12,249,026.01
  5. Step 5: Solve for x
    x = 12,249,026.01/3,249.36
  6. Step 6: Final answer
    x = 3,769.67

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1.5x scale

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.