Home / 3,929.65-5,893.59-1,156.51

Finding the Fourth Proportional to 3,929.65, 5,893.59 and 1,156.51

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Solution

The fourth proportional to 3,929.65, 5,893.59 and 1,156.51 is: 1,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.65 : 5,893.59 = 1,156.51 : x
  2. Step 2: Convert to fraction form
    3,929.65/5,893.59 = 1,156.51/x
  3. Step 3: Cross multiply
    3,929.65x = 5,893.59 × 1,156.51
  4. Step 4: Simplify right side
    3,929.65x = 6,816,007.47
  5. Step 5: Solve for x
    x = 6,816,007.47/3,929.65
  6. Step 6: Final answer
    x = 1,734.51

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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.