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Finding the Fourth Proportional to 2,396.90, 3,595.36 and 1,910.90

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Solution

The fourth proportional to 2,396.90, 3,595.36 and 1,910.90 is: 2,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.90 : 3,595.36 = 1,910.90 : x
  2. Step 2: Convert to fraction form
    2,396.90/3,595.36 = 1,910.90/x
  3. Step 3: Cross multiply
    2,396.90x = 3,595.36 × 1,910.90
  4. Step 4: Simplify right side
    2,396.90x = 6,870,373.42
  5. Step 5: Solve for x
    x = 6,870,373.42/2,396.90
  6. Step 6: Final answer
    x = 2,866.36

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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.