Home / 3,777.12-5,671.04-2,136.88

Finding the Fourth Proportional to 3,777.12, 5,671.04 and 2,136.88

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Solution

The fourth proportional to 3,777.12, 5,671.04 and 2,136.88 is: 3,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.12 : 5,671.04 = 2,136.88 : x
  2. Step 2: Convert to fraction form
    3,777.12/5,671.04 = 2,136.88/x
  3. Step 3: Cross multiply
    3,777.12x = 5,671.04 × 2,136.88
  4. Step 4: Simplify right side
    3,777.12x = 12,118,331.96
  5. Step 5: Solve for x
    x = 12,118,331.96/3,777.12
  6. Step 6: Final answer
    x = 3,208.35

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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.