Home / 2,210.62-3,049.38-1,325.90

Finding the Fourth Proportional to 2,210.62, 3,049.38 and 1,325.90

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Solution

The fourth proportional to 2,210.62, 3,049.38 and 1,325.90 is: 1,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.62 : 3,049.38 = 1,325.90 : x
  2. Step 2: Convert to fraction form
    2,210.62/3,049.38 = 1,325.90/x
  3. Step 3: Cross multiply
    2,210.62x = 3,049.38 × 1,325.90
  4. Step 4: Simplify right side
    2,210.62x = 4,043,172.94
  5. Step 5: Solve for x
    x = 4,043,172.94/2,210.62
  6. Step 6: Final answer
    x = 1,828.98

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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.