Home / 2,720.54-4,073.49-1,419.26

Finding the Fourth Proportional to 2,720.54, 4,073.49 and 1,419.26

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Solution

The fourth proportional to 2,720.54, 4,073.49 and 1,419.26 is: 2,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.54 : 4,073.49 = 1,419.26 : x
  2. Step 2: Convert to fraction form
    2,720.54/4,073.49 = 1,419.26/x
  3. Step 3: Cross multiply
    2,720.54x = 4,073.49 × 1,419.26
  4. Step 4: Simplify right side
    2,720.54x = 5,781,341.42
  5. Step 5: Solve for x
    x = 5,781,341.42/2,720.54
  6. Step 6: Final answer
    x = 2,125.07

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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.