Home / 1,450.99-2,173.68-1,385.38

Finding the Fourth Proportional to 1,450.99, 2,173.68 and 1,385.38

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Solution

The fourth proportional to 1,450.99, 2,173.68 and 1,385.38 is: 2,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.99 : 2,173.68 = 1,385.38 : x
  2. Step 2: Convert to fraction form
    1,450.99/2,173.68 = 1,385.38/x
  3. Step 3: Cross multiply
    1,450.99x = 2,173.68 × 1,385.38
  4. Step 4: Simplify right side
    1,450.99x = 3,011,372.80
  5. Step 5: Solve for x
    x = 3,011,372.80/1,450.99
  6. Step 6: Final answer
    x = 2,075.39

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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.