Home / 3,929.01-5,894.35-1,155.45

Finding the Fourth Proportional to 3,929.01, 5,894.35 and 1,155.45

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Solution

The fourth proportional to 3,929.01, 5,894.35 and 1,155.45 is: 1,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.01 : 5,894.35 = 1,155.45 : x
  2. Step 2: Convert to fraction form
    3,929.01/5,894.35 = 1,155.45/x
  3. Step 3: Cross multiply
    3,929.01x = 5,894.35 × 1,155.45
  4. Step 4: Simplify right side
    3,929.01x = 6,810,650.47
  5. Step 5: Solve for x
    x = 6,810,650.47/3,929.01
  6. Step 6: Final answer
    x = 1,733.42

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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.