Home / 3,480.48-5,220.72-1,750.56

Finding the Fourth Proportional to 3,480.48, 5,220.72 and 1,750.56

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Solution

The fourth proportional to 3,480.48, 5,220.72 and 1,750.56 is: 2,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.48 : 5,220.72 = 1,750.56 : x
  2. Step 2: Convert to fraction form
    3,480.48/5,220.72 = 1,750.56/x
  3. Step 3: Cross multiply
    3,480.48x = 5,220.72 × 1,750.56
  4. Step 4: Simplify right side
    3,480.48x = 9,139,183.60
  5. Step 5: Solve for x
    x = 9,139,183.60/3,480.48
  6. Step 6: Final answer
    x = 2,625.84

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1.5x scale

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.