Home / 3,777.48-5,213.40-2,205.60

Finding the Fourth Proportional to 3,777.48, 5,213.40 and 2,205.60

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Solution

The fourth proportional to 3,777.48, 5,213.40 and 2,205.60 is: 3,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.48 : 5,213.40 = 2,205.60 : x
  2. Step 2: Convert to fraction form
    3,777.48/5,213.40 = 2,205.60/x
  3. Step 3: Cross multiply
    3,777.48x = 5,213.40 × 2,205.60
  4. Step 4: Simplify right side
    3,777.48x = 11,498,675.04
  5. Step 5: Solve for x
    x = 11,498,675.04/3,777.48
  6. Step 6: Final answer
    x = 3,044.01

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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.