Home / 3,118.68-4,679.37-1,476.39

Finding the Fourth Proportional to 3,118.68, 4,679.37 and 1,476.39

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Solution

The fourth proportional to 3,118.68, 4,679.37 and 1,476.39 is: 2,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.68 : 4,679.37 = 1,476.39 : x
  2. Step 2: Convert to fraction form
    3,118.68/4,679.37 = 1,476.39/x
  3. Step 3: Cross multiply
    3,118.68x = 4,679.37 × 1,476.39
  4. Step 4: Simplify right side
    3,118.68x = 6,908,575.07
  5. Step 5: Solve for x
    x = 6,908,575.07/3,118.68
  6. Step 6: Final answer
    x = 2,215.22

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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.