Home / 2,929.68-4,392.79-1,148.63

Finding the Fourth Proportional to 2,929.68, 4,392.79 and 1,148.63

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Solution

The fourth proportional to 2,929.68, 4,392.79 and 1,148.63 is: 1,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.68 : 4,392.79 = 1,148.63 : x
  2. Step 2: Convert to fraction form
    2,929.68/4,392.79 = 1,148.63/x
  3. Step 3: Cross multiply
    2,929.68x = 4,392.79 × 1,148.63
  4. Step 4: Simplify right side
    2,929.68x = 5,045,665.54
  5. Step 5: Solve for x
    x = 5,045,665.54/2,929.68
  6. Step 6: Final answer
    x = 1,722.26

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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.