Home / 2,890.32-4,336.98-1,429.26

Finding the Fourth Proportional to 2,890.32, 4,336.98 and 1,429.26

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Solution

The fourth proportional to 2,890.32, 4,336.98 and 1,429.26 is: 2,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.32 : 4,336.98 = 1,429.26 : x
  2. Step 2: Convert to fraction form
    2,890.32/4,336.98 = 1,429.26/x
  3. Step 3: Cross multiply
    2,890.32x = 4,336.98 × 1,429.26
  4. Step 4: Simplify right side
    2,890.32x = 6,198,672.03
  5. Step 5: Solve for x
    x = 6,198,672.03/2,890.32
  6. Step 6: Final answer
    x = 2,144.63

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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.