Home / 2,079.14-3,118.06-617.93

Finding the Fourth Proportional to 2,079.14, 3,118.06 and 617.93

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Solution

The fourth proportional to 2,079.14, 3,118.06 and 617.93 is: 926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.14 : 3,118.06 = 617.93 : x
  2. Step 2: Convert to fraction form
    2,079.14/3,118.06 = 617.93/x
  3. Step 3: Cross multiply
    2,079.14x = 3,118.06 × 617.93
  4. Step 4: Simplify right side
    2,079.14x = 1,926,742.82
  5. Step 5: Solve for x
    x = 1,926,742.82/2,079.14
  6. Step 6: Final answer
    x = 926.70

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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.