Home / 3,027.86-4,178.52-1,683.50

Finding the Fourth Proportional to 3,027.86, 4,178.52 and 1,683.50

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Solution

The fourth proportional to 3,027.86, 4,178.52 and 1,683.50 is: 2,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.86 : 4,178.52 = 1,683.50 : x
  2. Step 2: Convert to fraction form
    3,027.86/4,178.52 = 1,683.50/x
  3. Step 3: Cross multiply
    3,027.86x = 4,178.52 × 1,683.50
  4. Step 4: Simplify right side
    3,027.86x = 7,034,538.42
  5. Step 5: Solve for x
    x = 7,034,538.42/3,027.86
  6. Step 6: Final answer
    x = 2,323.27

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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.