Home / 2,614.68-3,918.98-1,445.39

Finding the Fourth Proportional to 2,614.68, 3,918.98 and 1,445.39

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Solution

The fourth proportional to 2,614.68, 3,918.98 and 1,445.39 is: 2,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.68 : 3,918.98 = 1,445.39 : x
  2. Step 2: Convert to fraction form
    2,614.68/3,918.98 = 1,445.39/x
  3. Step 3: Cross multiply
    2,614.68x = 3,918.98 × 1,445.39
  4. Step 4: Simplify right side
    2,614.68x = 5,664,475.26
  5. Step 5: Solve for x
    x = 5,664,475.26/2,614.68
  6. Step 6: Final answer
    x = 2,166.41

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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.