Home / 2,514.31-3,771.47-1,419.60

Finding the Fourth Proportional to 2,514.31, 3,771.47 and 1,419.60

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Solution

The fourth proportional to 2,514.31, 3,771.47 and 1,419.60 is: 2,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.31 : 3,771.47 = 1,419.60 : x
  2. Step 2: Convert to fraction form
    2,514.31/3,771.47 = 1,419.60/x
  3. Step 3: Cross multiply
    2,514.31x = 3,771.47 × 1,419.60
  4. Step 4: Simplify right side
    2,514.31x = 5,353,978.81
  5. Step 5: Solve for x
    x = 5,353,978.81/2,514.31
  6. Step 6: Final answer
    x = 2,129.40

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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.