Home / 3,281.19-4,923.81-1,432.32

Finding the Fourth Proportional to 3,281.19, 4,923.81 and 1,432.32

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Solution

The fourth proportional to 3,281.19, 4,923.81 and 1,432.32 is: 2,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.19 : 4,923.81 = 1,432.32 : x
  2. Step 2: Convert to fraction form
    3,281.19/4,923.81 = 1,432.32/x
  3. Step 3: Cross multiply
    3,281.19x = 4,923.81 × 1,432.32
  4. Step 4: Simplify right side
    3,281.19x = 7,052,471.54
  5. Step 5: Solve for x
    x = 7,052,471.54/3,281.19
  6. Step 6: Final answer
    x = 2,149.36

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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.