Home / 2,675.57-4,013.37-826.67

Finding the Fourth Proportional to 2,675.57, 4,013.37 and 826.67

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Solution

The fourth proportional to 2,675.57, 4,013.37 and 826.67 is: 1,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.57 : 4,013.37 = 826.67 : x
  2. Step 2: Convert to fraction form
    2,675.57/4,013.37 = 826.67/x
  3. Step 3: Cross multiply
    2,675.57x = 4,013.37 × 826.67
  4. Step 4: Simplify right side
    2,675.57x = 3,317,742.61
  5. Step 5: Solve for x
    x = 3,317,742.61/2,675.57
  6. Step 6: Final answer
    x = 1,240.02

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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.