Home / 1,486.32-2,226.24-1,418.64

Finding the Fourth Proportional to 1,486.32, 2,226.24 and 1,418.64

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Solution

The fourth proportional to 1,486.32, 2,226.24 and 1,418.64 is: 2,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.32 : 2,226.24 = 1,418.64 : x
  2. Step 2: Convert to fraction form
    1,486.32/2,226.24 = 1,418.64/x
  3. Step 3: Cross multiply
    1,486.32x = 2,226.24 × 1,418.64
  4. Step 4: Simplify right side
    1,486.32x = 3,158,233.11
  5. Step 5: Solve for x
    x = 3,158,233.11/1,486.32
  6. Step 6: Final answer
    x = 2,124.87

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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.