Home / 4,079.03-5,631.40-2,685.83

Finding the Fourth Proportional to 4,079.03, 5,631.40 and 2,685.83

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Solution

The fourth proportional to 4,079.03, 5,631.40 and 2,685.83 is: 3,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.03 : 5,631.40 = 2,685.83 : x
  2. Step 2: Convert to fraction form
    4,079.03/5,631.40 = 2,685.83/x
  3. Step 3: Cross multiply
    4,079.03x = 5,631.40 × 2,685.83
  4. Step 4: Simplify right side
    4,079.03x = 15,124,983.06
  5. Step 5: Solve for x
    x = 15,124,983.06/4,079.03
  6. Step 6: Final answer
    x = 3,707.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.