Home / 2,382.39-3,573.32-1,686.87

Finding the Fourth Proportional to 2,382.39, 3,573.32 and 1,686.87

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Solution

The fourth proportional to 2,382.39, 3,573.32 and 1,686.87 is: 2,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.39 : 3,573.32 = 1,686.87 : x
  2. Step 2: Convert to fraction form
    2,382.39/3,573.32 = 1,686.87/x
  3. Step 3: Cross multiply
    2,382.39x = 3,573.32 × 1,686.87
  4. Step 4: Simplify right side
    2,382.39x = 6,027,717.87
  5. Step 5: Solve for x
    x = 6,027,717.87/2,382.39
  6. Step 6: Final answer
    x = 2,530.11

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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.