Home / 2,694.80-4,042.65-1,051.40

Finding the Fourth Proportional to 2,694.80, 4,042.65 and 1,051.40

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Solution

The fourth proportional to 2,694.80, 4,042.65 and 1,051.40 is: 1,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.80 : 4,042.65 = 1,051.40 : x
  2. Step 2: Convert to fraction form
    2,694.80/4,042.65 = 1,051.40/x
  3. Step 3: Cross multiply
    2,694.80x = 4,042.65 × 1,051.40
  4. Step 4: Simplify right side
    2,694.80x = 4,250,442.21
  5. Step 5: Solve for x
    x = 4,250,442.21/2,694.80
  6. Step 6: Final answer
    x = 1,577.28

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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.