Home / 2,075.08-3,113.22-614.27

Finding the Fourth Proportional to 2,075.08, 3,113.22 and 614.27

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Solution

The fourth proportional to 2,075.08, 3,113.22 and 614.27 is: 921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.08 : 3,113.22 = 614.27 : x
  2. Step 2: Convert to fraction form
    2,075.08/3,113.22 = 614.27/x
  3. Step 3: Cross multiply
    2,075.08x = 3,113.22 × 614.27
  4. Step 4: Simplify right side
    2,075.08x = 1,912,342.85
  5. Step 5: Solve for x
    x = 1,912,342.85/2,075.08
  6. Step 6: Final answer
    x = 921.58

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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.