Home / 3,534.38-4,876.21-2,020.85

Finding the Fourth Proportional to 3,534.38, 4,876.21 and 2,020.85

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Solution

The fourth proportional to 3,534.38, 4,876.21 and 2,020.85 is: 2,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.38 : 4,876.21 = 2,020.85 : x
  2. Step 2: Convert to fraction form
    3,534.38/4,876.21 = 2,020.85/x
  3. Step 3: Cross multiply
    3,534.38x = 4,876.21 × 2,020.85
  4. Step 4: Simplify right side
    3,534.38x = 9,854,088.98
  5. Step 5: Solve for x
    x = 9,854,088.98/3,534.38
  6. Step 6: Final answer
    x = 2,788.07

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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.