Home / 4,221.80-5,826.80-2,454.43

Finding the Fourth Proportional to 4,221.80, 5,826.80 and 2,454.43

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Solution

The fourth proportional to 4,221.80, 5,826.80 and 2,454.43 is: 3,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.80 : 5,826.80 = 2,454.43 : x
  2. Step 2: Convert to fraction form
    4,221.80/5,826.80 = 2,454.43/x
  3. Step 3: Cross multiply
    4,221.80x = 5,826.80 × 2,454.43
  4. Step 4: Simplify right side
    4,221.80x = 14,301,472.72
  5. Step 5: Solve for x
    x = 14,301,472.72/4,221.80
  6. Step 6: Final answer
    x = 3,387.53

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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.