Home / 2,929.62-4,393.89-1,538.58

Finding the Fourth Proportional to 2,929.62, 4,393.89 and 1,538.58

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Solution

The fourth proportional to 2,929.62, 4,393.89 and 1,538.58 is: 2,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.62 : 4,393.89 = 1,538.58 : x
  2. Step 2: Convert to fraction form
    2,929.62/4,393.89 = 1,538.58/x
  3. Step 3: Cross multiply
    2,929.62x = 4,393.89 × 1,538.58
  4. Step 4: Simplify right side
    2,929.62x = 6,760,351.28
  5. Step 5: Solve for x
    x = 6,760,351.28/2,929.62
  6. Step 6: Final answer
    x = 2,307.59

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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.