Home / 3,072.90-4,607.73-1,339.50

Finding the Fourth Proportional to 3,072.90, 4,607.73 and 1,339.50

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Solution

The fourth proportional to 3,072.90, 4,607.73 and 1,339.50 is: 2,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.90 : 4,607.73 = 1,339.50 : x
  2. Step 2: Convert to fraction form
    3,072.90/4,607.73 = 1,339.50/x
  3. Step 3: Cross multiply
    3,072.90x = 4,607.73 × 1,339.50
  4. Step 4: Simplify right side
    3,072.90x = 6,172,054.34
  5. Step 5: Solve for x
    x = 6,172,054.34/3,072.90
  6. Step 6: Final answer
    x = 2,008.54

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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.