Home / 3,929.50-5,894.94-1,589.41

Finding the Fourth Proportional to 3,929.50, 5,894.94 and 1,589.41

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Solution

The fourth proportional to 3,929.50, 5,894.94 and 1,589.41 is: 2,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.50 : 5,894.94 = 1,589.41 : x
  2. Step 2: Convert to fraction form
    3,929.50/5,894.94 = 1,589.41/x
  3. Step 3: Cross multiply
    3,929.50x = 5,894.94 × 1,589.41
  4. Step 4: Simplify right side
    3,929.50x = 9,369,476.59
  5. Step 5: Solve for x
    x = 9,369,476.59/3,929.50
  6. Step 6: Final answer
    x = 2,384.39

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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.