Home / 3,020.32-4,167.70-1,826.03

Finding the Fourth Proportional to 3,020.32, 4,167.70 and 1,826.03

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Solution

The fourth proportional to 3,020.32, 4,167.70 and 1,826.03 is: 2,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.32 : 4,167.70 = 1,826.03 : x
  2. Step 2: Convert to fraction form
    3,020.32/4,167.70 = 1,826.03/x
  3. Step 3: Cross multiply
    3,020.32x = 4,167.70 × 1,826.03
  4. Step 4: Simplify right side
    3,020.32x = 7,610,339.36
  5. Step 5: Solve for x
    x = 7,610,339.36/3,020.32
  6. Step 6: Final answer
    x = 2,519.71

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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.