Home / 3,203.99-4,421.91-1,877.43

Finding the Fourth Proportional to 3,203.99, 4,421.91 and 1,877.43

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Solution

The fourth proportional to 3,203.99, 4,421.91 and 1,877.43 is: 2,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.99 : 4,421.91 = 1,877.43 : x
  2. Step 2: Convert to fraction form
    3,203.99/4,421.91 = 1,877.43/x
  3. Step 3: Cross multiply
    3,203.99x = 4,421.91 × 1,877.43
  4. Step 4: Simplify right side
    3,203.99x = 8,301,826.49
  5. Step 5: Solve for x
    x = 8,301,826.49/3,203.99
  6. Step 6: Final answer
    x = 2,591.09

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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.