Home / 2,624.39-3,620.31-1,679.17

Finding the Fourth Proportional to 2,624.39, 3,620.31 and 1,679.17

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Solution

The fourth proportional to 2,624.39, 3,620.31 and 1,679.17 is: 2,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.39 : 3,620.31 = 1,679.17 : x
  2. Step 2: Convert to fraction form
    2,624.39/3,620.31 = 1,679.17/x
  3. Step 3: Cross multiply
    2,624.39x = 3,620.31 × 1,679.17
  4. Step 4: Simplify right side
    2,624.39x = 6,079,115.94
  5. Step 5: Solve for x
    x = 6,079,115.94/2,624.39
  6. Step 6: Final answer
    x = 2,316.39

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1.5x scale

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.