Home / 3,809.04-5,714.32-1,861.28

Finding the Fourth Proportional to 3,809.04, 5,714.32 and 1,861.28

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Solution

The fourth proportional to 3,809.04, 5,714.32 and 1,861.28 is: 2,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.04 : 5,714.32 = 1,861.28 : x
  2. Step 2: Convert to fraction form
    3,809.04/5,714.32 = 1,861.28/x
  3. Step 3: Cross multiply
    3,809.04x = 5,714.32 × 1,861.28
  4. Step 4: Simplify right side
    3,809.04x = 10,635,949.53
  5. Step 5: Solve for x
    x = 10,635,949.53/3,809.04
  6. Step 6: Final answer
    x = 2,792.29

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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.