Home / 1,554.85-2,340.79-1,418.77

Finding the Fourth Proportional to 1,554.85, 2,340.79 and 1,418.77

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Solution

The fourth proportional to 1,554.85, 2,340.79 and 1,418.77 is: 2,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.85 : 2,340.79 = 1,418.77 : x
  2. Step 2: Convert to fraction form
    1,554.85/2,340.79 = 1,418.77/x
  3. Step 3: Cross multiply
    1,554.85x = 2,340.79 × 1,418.77
  4. Step 4: Simplify right side
    1,554.85x = 3,321,042.63
  5. Step 5: Solve for x
    x = 3,321,042.63/1,554.85
  6. Step 6: Final answer
    x = 2,135.92

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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.