Home / 2,075.61-3,113.42-1,424.37

Finding the Fourth Proportional to 2,075.61, 3,113.42 and 1,424.37

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Solution

The fourth proportional to 2,075.61, 3,113.42 and 1,424.37 is: 2,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.61 : 3,113.42 = 1,424.37 : x
  2. Step 2: Convert to fraction form
    2,075.61/3,113.42 = 1,424.37/x
  3. Step 3: Cross multiply
    2,075.61x = 3,113.42 × 1,424.37
  4. Step 4: Simplify right side
    2,075.61x = 4,434,654.92
  5. Step 5: Solve for x
    x = 4,434,654.92/2,075.61
  6. Step 6: Final answer
    x = 2,136.56

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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.