Home / 3,929.86-5,894.79-1,008.19

Finding the Fourth Proportional to 3,929.86, 5,894.79 and 1,008.19

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Solution

The fourth proportional to 3,929.86, 5,894.79 and 1,008.19 is: 1,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.86 : 5,894.79 = 1,008.19 : x
  2. Step 2: Convert to fraction form
    3,929.86/5,894.79 = 1,008.19/x
  3. Step 3: Cross multiply
    3,929.86x = 5,894.79 × 1,008.19
  4. Step 4: Simplify right side
    3,929.86x = 5,943,068.33
  5. Step 5: Solve for x
    x = 5,943,068.33/3,929.86
  6. Step 6: Final answer
    x = 1,512.29

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Similar ratio
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1.5x scale

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.