Home / 2,408.13-3,614.32-1,678.22

Finding the Fourth Proportional to 2,408.13, 3,614.32 and 1,678.22

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Solution

The fourth proportional to 2,408.13, 3,614.32 and 1,678.22 is: 2,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.13 : 3,614.32 = 1,678.22 : x
  2. Step 2: Convert to fraction form
    2,408.13/3,614.32 = 1,678.22/x
  3. Step 3: Cross multiply
    2,408.13x = 3,614.32 × 1,678.22
  4. Step 4: Simplify right side
    2,408.13x = 6,065,621.69
  5. Step 5: Solve for x
    x = 6,065,621.69/2,408.13
  6. Step 6: Final answer
    x = 2,518.81

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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.