Home / 3,204.72-4,421.88-1,878.84

Finding the Fourth Proportional to 3,204.72, 4,421.88 and 1,878.84

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Solution

The fourth proportional to 3,204.72, 4,421.88 and 1,878.84 is: 2,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.72 : 4,421.88 = 1,878.84 : x
  2. Step 2: Convert to fraction form
    3,204.72/4,421.88 = 1,878.84/x
  3. Step 3: Cross multiply
    3,204.72x = 4,421.88 × 1,878.84
  4. Step 4: Simplify right side
    3,204.72x = 8,308,005.02
  5. Step 5: Solve for x
    x = 8,308,005.02/3,204.72
  6. Step 6: Final answer
    x = 2,592.43

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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.