Home / 4,002.48-5,522.40-2,430.60

Finding the Fourth Proportional to 4,002.48, 5,522.40 and 2,430.60

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Solution

The fourth proportional to 4,002.48, 5,522.40 and 2,430.60 is: 3,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.48 : 5,522.40 = 2,430.60 : x
  2. Step 2: Convert to fraction form
    4,002.48/5,522.40 = 2,430.60/x
  3. Step 3: Cross multiply
    4,002.48x = 5,522.40 × 2,430.60
  4. Step 4: Simplify right side
    4,002.48x = 13,422,745.44
  5. Step 5: Solve for x
    x = 13,422,745.44/4,002.48
  6. Step 6: Final answer
    x = 3,353.61

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1.5x scale

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.