Home / 3,509.96-5,262.78-2,415.68

Finding the Fourth Proportional to 3,509.96, 5,262.78 and 2,415.68

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Solution

The fourth proportional to 3,509.96, 5,262.78 and 2,415.68 is: 3,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.96 : 5,262.78 = 2,415.68 : x
  2. Step 2: Convert to fraction form
    3,509.96/5,262.78 = 2,415.68/x
  3. Step 3: Cross multiply
    3,509.96x = 5,262.78 × 2,415.68
  4. Step 4: Simplify right side
    3,509.96x = 12,713,192.39
  5. Step 5: Solve for x
    x = 12,713,192.39/3,509.96
  6. Step 6: Final answer
    x = 3,622.03

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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.