Home / 3,558.86-5,328.20-2,829.50

Finding the Fourth Proportional to 3,558.86, 5,328.20 and 2,829.50

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Solution

The fourth proportional to 3,558.86, 5,328.20 and 2,829.50 is: 4,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.86 : 5,328.20 = 2,829.50 : x
  2. Step 2: Convert to fraction form
    3,558.86/5,328.20 = 2,829.50/x
  3. Step 3: Cross multiply
    3,558.86x = 5,328.20 × 2,829.50
  4. Step 4: Simplify right side
    3,558.86x = 15,076,141.90
  5. Step 5: Solve for x
    x = 15,076,141.90/3,558.86
  6. Step 6: Final answer
    x = 4,236.23

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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.