Home / 2,221.58-3,064.07-1,336.46

Finding the Fourth Proportional to 2,221.58, 3,064.07 and 1,336.46

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Solution

The fourth proportional to 2,221.58, 3,064.07 and 1,336.46 is: 1,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.58 : 3,064.07 = 1,336.46 : x
  2. Step 2: Convert to fraction form
    2,221.58/3,064.07 = 1,336.46/x
  3. Step 3: Cross multiply
    2,221.58x = 3,064.07 × 1,336.46
  4. Step 4: Simplify right side
    2,221.58x = 4,094,984.99
  5. Step 5: Solve for x
    x = 4,094,984.99/2,221.58
  6. Step 6: Final answer
    x = 1,843.28

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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.