Home / 3,280.44-4,918.92-1,430.52

Finding the Fourth Proportional to 3,280.44, 4,918.92 and 1,430.52

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Solution

The fourth proportional to 3,280.44, 4,918.92 and 1,430.52 is: 2,145.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.44 : 4,918.92 = 1,430.52 : x
  2. Step 2: Convert to fraction form
    3,280.44/4,918.92 = 1,430.52/x
  3. Step 3: Cross multiply
    3,280.44x = 4,918.92 × 1,430.52
  4. Step 4: Simplify right side
    3,280.44x = 7,036,613.44
  5. Step 5: Solve for x
    x = 7,036,613.44/3,280.44
  6. Step 6: Final answer
    x = 2,145.02

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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.