Home / 3,316.40-4,971.62-1,234.94

Finding the Fourth Proportional to 3,316.40, 4,971.62 and 1,234.94

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Solution

The fourth proportional to 3,316.40, 4,971.62 and 1,234.94 is: 1,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.40 : 4,971.62 = 1,234.94 : x
  2. Step 2: Convert to fraction form
    3,316.40/4,971.62 = 1,234.94/x
  3. Step 3: Cross multiply
    3,316.40x = 4,971.62 × 1,234.94
  4. Step 4: Simplify right side
    3,316.40x = 6,139,621.37
  5. Step 5: Solve for x
    x = 6,139,621.37/3,316.40
  6. Step 6: Final answer
    x = 1,851.29

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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.