Home / 3,059.45-4,221.97-1,864.87

Finding the Fourth Proportional to 3,059.45, 4,221.97 and 1,864.87

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Solution

The fourth proportional to 3,059.45, 4,221.97 and 1,864.87 is: 2,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.45 : 4,221.97 = 1,864.87 : x
  2. Step 2: Convert to fraction form
    3,059.45/4,221.97 = 1,864.87/x
  3. Step 3: Cross multiply
    3,059.45x = 4,221.97 × 1,864.87
  4. Step 4: Simplify right side
    3,059.45x = 7,873,444.22
  5. Step 5: Solve for x
    x = 7,873,444.22/3,059.45
  6. Step 6: Final answer
    x = 2,573.49

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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.