Home / 1,554.96-2,148.24-1,368.96

Finding the Fourth Proportional to 1,554.96, 2,148.24 and 1,368.96

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Solution

The fourth proportional to 1,554.96, 2,148.24 and 1,368.96 is: 1,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.96 : 2,148.24 = 1,368.96 : x
  2. Step 2: Convert to fraction form
    1,554.96/2,148.24 = 1,368.96/x
  3. Step 3: Cross multiply
    1,554.96x = 2,148.24 × 1,368.96
  4. Step 4: Simplify right side
    1,554.96x = 2,940,854.63
  5. Step 5: Solve for x
    x = 2,940,854.63/1,554.96
  6. Step 6: Final answer
    x = 1,891.27

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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.