Home / 3,072.71-4,610.08-1,223.32

Finding the Fourth Proportional to 3,072.71, 4,610.08 and 1,223.32

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Solution

The fourth proportional to 3,072.71, 4,610.08 and 1,223.32 is: 1,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.71 : 4,610.08 = 1,223.32 : x
  2. Step 2: Convert to fraction form
    3,072.71/4,610.08 = 1,223.32/x
  3. Step 3: Cross multiply
    3,072.71x = 4,610.08 × 1,223.32
  4. Step 4: Simplify right side
    3,072.71x = 5,639,603.07
  5. Step 5: Solve for x
    x = 5,639,603.07/3,072.71
  6. Step 6: Final answer
    x = 1,835.38

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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.