Home / 2,412.23-3,614.21-1,620.11

Finding the Fourth Proportional to 2,412.23, 3,614.21 and 1,620.11

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Solution

The fourth proportional to 2,412.23, 3,614.21 and 1,620.11 is: 2,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.23 : 3,614.21 = 1,620.11 : x
  2. Step 2: Convert to fraction form
    2,412.23/3,614.21 = 1,620.11/x
  3. Step 3: Cross multiply
    2,412.23x = 3,614.21 × 1,620.11
  4. Step 4: Simplify right side
    2,412.23x = 5,855,417.76
  5. Step 5: Solve for x
    x = 5,855,417.76/2,412.23
  6. Step 6: Final answer
    x = 2,427.39

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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.