Home / 2,580.49-3,561.47-1,742.41

Finding the Fourth Proportional to 2,580.49, 3,561.47 and 1,742.41

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Solution

The fourth proportional to 2,580.49, 3,561.47 and 1,742.41 is: 2,404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.49 : 3,561.47 = 1,742.41 : x
  2. Step 2: Convert to fraction form
    2,580.49/3,561.47 = 1,742.41/x
  3. Step 3: Cross multiply
    2,580.49x = 3,561.47 × 1,742.41
  4. Step 4: Simplify right side
    2,580.49x = 6,205,540.94
  5. Step 5: Solve for x
    x = 6,205,540.94/2,580.49
  6. Step 6: Final answer
    x = 2,404.79

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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.