Home / 3,209.31-4,814.04-1,018.07

Finding the Fourth Proportional to 3,209.31, 4,814.04 and 1,018.07

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Solution

The fourth proportional to 3,209.31, 4,814.04 and 1,018.07 is: 1,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.31 : 4,814.04 = 1,018.07 : x
  2. Step 2: Convert to fraction form
    3,209.31/4,814.04 = 1,018.07/x
  3. Step 3: Cross multiply
    3,209.31x = 4,814.04 × 1,018.07
  4. Step 4: Simplify right side
    3,209.31x = 4,901,005.63
  5. Step 5: Solve for x
    x = 4,901,005.63/3,209.31
  6. Step 6: Final answer
    x = 1,527.12

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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.