Home / 3,281.90-4,923.72-1,433.16

Finding the Fourth Proportional to 3,281.90, 4,923.72 and 1,433.16

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Solution

The fourth proportional to 3,281.90, 4,923.72 and 1,433.16 is: 2,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.90 : 4,923.72 = 1,433.16 : x
  2. Step 2: Convert to fraction form
    3,281.90/4,923.72 = 1,433.16/x
  3. Step 3: Cross multiply
    3,281.90x = 4,923.72 × 1,433.16
  4. Step 4: Simplify right side
    3,281.90x = 7,056,478.56
  5. Step 5: Solve for x
    x = 7,056,478.56/3,281.90
  6. Step 6: Final answer
    x = 2,150.12

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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.