Home / 1,929.46-2,890.14-1,599.61

Finding the Fourth Proportional to 1,929.46, 2,890.14 and 1,599.61

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Solution

The fourth proportional to 1,929.46, 2,890.14 and 1,599.61 is: 2,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.46 : 2,890.14 = 1,599.61 : x
  2. Step 2: Convert to fraction form
    1,929.46/2,890.14 = 1,599.61/x
  3. Step 3: Cross multiply
    1,929.46x = 2,890.14 × 1,599.61
  4. Step 4: Simplify right side
    1,929.46x = 4,623,085.62
  5. Step 5: Solve for x
    x = 4,623,085.62/1,929.46
  6. Step 6: Final answer
    x = 2,396.06

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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.