Home / 2,929.88-4,393.68-1,055.26

Finding the Fourth Proportional to 2,929.88, 4,393.68 and 1,055.26

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Solution

The fourth proportional to 2,929.88, 4,393.68 and 1,055.26 is: 1,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.88 : 4,393.68 = 1,055.26 : x
  2. Step 2: Convert to fraction form
    2,929.88/4,393.68 = 1,055.26/x
  3. Step 3: Cross multiply
    2,929.88x = 4,393.68 × 1,055.26
  4. Step 4: Simplify right side
    2,929.88x = 4,636,469.48
  5. Step 5: Solve for x
    x = 4,636,469.48/2,929.88
  6. Step 6: Final answer
    x = 1,582.48

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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.