Home / 3,289.28-4,538.70-1,873.02

Finding the Fourth Proportional to 3,289.28, 4,538.70 and 1,873.02

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Solution

The fourth proportional to 3,289.28, 4,538.70 and 1,873.02 is: 2,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.28 : 4,538.70 = 1,873.02 : x
  2. Step 2: Convert to fraction form
    3,289.28/4,538.70 = 1,873.02/x
  3. Step 3: Cross multiply
    3,289.28x = 4,538.70 × 1,873.02
  4. Step 4: Simplify right side
    3,289.28x = 8,501,068.85
  5. Step 5: Solve for x
    x = 8,501,068.85/3,289.28
  6. Step 6: Final answer
    x = 2,584.48

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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.