Home / 1,634.49-2,460.45-1,408.43

Finding the Fourth Proportional to 1,634.49, 2,460.45 and 1,408.43

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Solution

The fourth proportional to 1,634.49, 2,460.45 and 1,408.43 is: 2,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.49 : 2,460.45 = 1,408.43 : x
  2. Step 2: Convert to fraction form
    1,634.49/2,460.45 = 1,408.43/x
  3. Step 3: Cross multiply
    1,634.49x = 2,460.45 × 1,408.43
  4. Step 4: Simplify right side
    1,634.49x = 3,465,359.29
  5. Step 5: Solve for x
    x = 3,465,359.29/1,634.49
  6. Step 6: Final answer
    x = 2,120.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.