Home / 3,808.89-5,714.01-1,345.14

Finding the Fourth Proportional to 3,808.89, 5,714.01 and 1,345.14

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Solution

The fourth proportional to 3,808.89, 5,714.01 and 1,345.14 is: 2,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.89 : 5,714.01 = 1,345.14 : x
  2. Step 2: Convert to fraction form
    3,808.89/5,714.01 = 1,345.14/x
  3. Step 3: Cross multiply
    3,808.89x = 5,714.01 × 1,345.14
  4. Step 4: Simplify right side
    3,808.89x = 7,686,108.12
  5. Step 5: Solve for x
    x = 7,686,108.12/3,808.89
  6. Step 6: Final answer
    x = 2,017.94

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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.