Home / 3,554.86-4,905.28-1,982.86

Finding the Fourth Proportional to 3,554.86, 4,905.28 and 1,982.86

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Solution

The fourth proportional to 3,554.86, 4,905.28 and 1,982.86 is: 2,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.86 : 4,905.28 = 1,982.86 : x
  2. Step 2: Convert to fraction form
    3,554.86/4,905.28 = 1,982.86/x
  3. Step 3: Cross multiply
    3,554.86x = 4,905.28 × 1,982.86
  4. Step 4: Simplify right side
    3,554.86x = 9,726,483.50
  5. Step 5: Solve for x
    x = 9,726,483.50/3,554.86
  6. Step 6: Final answer
    x = 2,736.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.