Home / 1,822.70-2,733.45-668.30

Finding the Fourth Proportional to 1,822.70, 2,733.45 and 668.30

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Solution

The fourth proportional to 1,822.70, 2,733.45 and 668.30 is: 1,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.70 : 2,733.45 = 668.30 : x
  2. Step 2: Convert to fraction form
    1,822.70/2,733.45 = 668.30/x
  3. Step 3: Cross multiply
    1,822.70x = 2,733.45 × 668.30
  4. Step 4: Simplify right side
    1,822.70x = 1,826,764.64
  5. Step 5: Solve for x
    x = 1,826,764.64/1,822.70
  6. Step 6: Final answer
    x = 1,002.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.