Home / 3,026.70-4,176.63-1,682.20

Finding the Fourth Proportional to 3,026.70, 4,176.63 and 1,682.20

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Solution

The fourth proportional to 3,026.70, 4,176.63 and 1,682.20 is: 2,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.70 : 4,176.63 = 1,682.20 : x
  2. Step 2: Convert to fraction form
    3,026.70/4,176.63 = 1,682.20/x
  3. Step 3: Cross multiply
    3,026.70x = 4,176.63 × 1,682.20
  4. Step 4: Simplify right side
    3,026.70x = 7,025,932.21
  5. Step 5: Solve for x
    x = 7,025,932.21/3,026.70
  6. Step 6: Final answer
    x = 2,321.32

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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.