Home / 1,634.76-2,448.90-1,326.96

Finding the Fourth Proportional to 1,634.76, 2,448.90 and 1,326.96

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Solution

The fourth proportional to 1,634.76, 2,448.90 and 1,326.96 is: 1,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.76 : 2,448.90 = 1,326.96 : x
  2. Step 2: Convert to fraction form
    1,634.76/2,448.90 = 1,326.96/x
  3. Step 3: Cross multiply
    1,634.76x = 2,448.90 × 1,326.96
  4. Step 4: Simplify right side
    1,634.76x = 3,249,592.34
  5. Step 5: Solve for x
    x = 3,249,592.34/1,634.76
  6. Step 6: Final answer
    x = 1,987.81

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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.