Home / 2,452.60-3,381.90-1,665.28

Finding the Fourth Proportional to 2,452.60, 3,381.90 and 1,665.28

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Solution

The fourth proportional to 2,452.60, 3,381.90 and 1,665.28 is: 2,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.60 : 3,381.90 = 1,665.28 : x
  2. Step 2: Convert to fraction form
    2,452.60/3,381.90 = 1,665.28/x
  3. Step 3: Cross multiply
    2,452.60x = 3,381.90 × 1,665.28
  4. Step 4: Simplify right side
    2,452.60x = 5,631,810.43
  5. Step 5: Solve for x
    x = 5,631,810.43/2,452.60
  6. Step 6: Final answer
    x = 2,296.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.