Home / 2,318.41-3,479.64-1,343.17

Finding the Fourth Proportional to 2,318.41, 3,479.64 and 1,343.17

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Solution

The fourth proportional to 2,318.41, 3,479.64 and 1,343.17 is: 2,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.41 : 3,479.64 = 1,343.17 : x
  2. Step 2: Convert to fraction form
    2,318.41/3,479.64 = 1,343.17/x
  3. Step 3: Cross multiply
    2,318.41x = 3,479.64 × 1,343.17
  4. Step 4: Simplify right side
    2,318.41x = 4,673,748.06
  5. Step 5: Solve for x
    x = 4,673,748.06/2,318.41
  6. Step 6: Final answer
    x = 2,015.93

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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.