Home / 2,083.10-3,121.05-1,352.30

Finding the Fourth Proportional to 2,083.10, 3,121.05 and 1,352.30

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Solution

The fourth proportional to 2,083.10, 3,121.05 and 1,352.30 is: 2,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.10 : 3,121.05 = 1,352.30 : x
  2. Step 2: Convert to fraction form
    2,083.10/3,121.05 = 1,352.30/x
  3. Step 3: Cross multiply
    2,083.10x = 3,121.05 × 1,352.30
  4. Step 4: Simplify right side
    2,083.10x = 4,220,595.92
  5. Step 5: Solve for x
    x = 4,220,595.92/2,083.10
  6. Step 6: Final answer
    x = 2,026.11

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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.