Home / 2,989.08-4,484.94-1,234.47

Finding the Fourth Proportional to 2,989.08, 4,484.94 and 1,234.47

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Solution

The fourth proportional to 2,989.08, 4,484.94 and 1,234.47 is: 1,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.08 : 4,484.94 = 1,234.47 : x
  2. Step 2: Convert to fraction form
    2,989.08/4,484.94 = 1,234.47/x
  3. Step 3: Cross multiply
    2,989.08x = 4,484.94 × 1,234.47
  4. Step 4: Simplify right side
    2,989.08x = 5,536,523.88
  5. Step 5: Solve for x
    x = 5,536,523.88/2,989.08
  6. Step 6: Final answer
    x = 1,852.25

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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.