Home / 2,429.76-3,354.40-1,634.36

Finding the Fourth Proportional to 2,429.76, 3,354.40 and 1,634.36

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Solution

The fourth proportional to 2,429.76, 3,354.40 and 1,634.36 is: 2,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.76 : 3,354.40 = 1,634.36 : x
  2. Step 2: Convert to fraction form
    2,429.76/3,354.40 = 1,634.36/x
  3. Step 3: Cross multiply
    2,429.76x = 3,354.40 × 1,634.36
  4. Step 4: Simplify right side
    2,429.76x = 5,482,297.18
  5. Step 5: Solve for x
    x = 5,482,297.18/2,429.76
  6. Step 6: Final answer
    x = 2,256.31

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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.