Home / 2,859.17-4,284.32-1,376.80

Finding the Fourth Proportional to 2,859.17, 4,284.32 and 1,376.80

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Solution

The fourth proportional to 2,859.17, 4,284.32 and 1,376.80 is: 2,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.17 : 4,284.32 = 1,376.80 : x
  2. Step 2: Convert to fraction form
    2,859.17/4,284.32 = 1,376.80/x
  3. Step 3: Cross multiply
    2,859.17x = 4,284.32 × 1,376.80
  4. Step 4: Simplify right side
    2,859.17x = 5,898,638.05
  5. Step 5: Solve for x
    x = 5,898,638.05/2,859.17
  6. Step 6: Final answer
    x = 2,063.06

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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.