Home / 2,929.82-4,042.91-1,653.62

Finding the Fourth Proportional to 2,929.82, 4,042.91 and 1,653.62

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Solution

The fourth proportional to 2,929.82, 4,042.91 and 1,653.62 is: 2,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.82 : 4,042.91 = 1,653.62 : x
  2. Step 2: Convert to fraction form
    2,929.82/4,042.91 = 1,653.62/x
  3. Step 3: Cross multiply
    2,929.82x = 4,042.91 × 1,653.62
  4. Step 4: Simplify right side
    2,929.82x = 6,685,420.75
  5. Step 5: Solve for x
    x = 6,685,420.75/2,929.82
  6. Step 6: Final answer
    x = 2,281.85

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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.