Home / 1,634.10-2,254.82-1,190.63

Finding the Fourth Proportional to 1,634.10, 2,254.82 and 1,190.63

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Solution

The fourth proportional to 1,634.10, 2,254.82 and 1,190.63 is: 1,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.10 : 2,254.82 = 1,190.63 : x
  2. Step 2: Convert to fraction form
    1,634.10/2,254.82 = 1,190.63/x
  3. Step 3: Cross multiply
    1,634.10x = 2,254.82 × 1,190.63
  4. Step 4: Simplify right side
    1,634.10x = 2,684,639.11
  5. Step 5: Solve for x
    x = 2,684,639.11/1,634.10
  6. Step 6: Final answer
    x = 1,642.89

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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.