Home / 3,809.08-5,714.43-1,343.71

Finding the Fourth Proportional to 3,809.08, 5,714.43 and 1,343.71

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Solution

The fourth proportional to 3,809.08, 5,714.43 and 1,343.71 is: 2,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.08 : 5,714.43 = 1,343.71 : x
  2. Step 2: Convert to fraction form
    3,809.08/5,714.43 = 1,343.71/x
  3. Step 3: Cross multiply
    3,809.08x = 5,714.43 × 1,343.71
  4. Step 4: Simplify right side
    3,809.08x = 7,678,536.74
  5. Step 5: Solve for x
    x = 7,678,536.74/3,809.08
  6. Step 6: Final answer
    x = 2,015.85

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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.