Home / 2,929.69-4,044.35-1,868.59

Finding the Fourth Proportional to 2,929.69, 4,044.35 and 1,868.59

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Solution

The fourth proportional to 2,929.69, 4,044.35 and 1,868.59 is: 2,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.69 : 4,044.35 = 1,868.59 : x
  2. Step 2: Convert to fraction form
    2,929.69/4,044.35 = 1,868.59/x
  3. Step 3: Cross multiply
    2,929.69x = 4,044.35 × 1,868.59
  4. Step 4: Simplify right side
    2,929.69x = 7,557,202.40
  5. Step 5: Solve for x
    x = 7,557,202.40/2,929.69
  6. Step 6: Final answer
    x = 2,579.53

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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.