Home / 2,746.39-4,118.32-1,185.65

Finding the Fourth Proportional to 2,746.39, 4,118.32 and 1,185.65

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Solution

The fourth proportional to 2,746.39, 4,118.32 and 1,185.65 is: 1,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.39 : 4,118.32 = 1,185.65 : x
  2. Step 2: Convert to fraction form
    2,746.39/4,118.32 = 1,185.65/x
  3. Step 3: Cross multiply
    2,746.39x = 4,118.32 × 1,185.65
  4. Step 4: Simplify right side
    2,746.39x = 4,882,886.11
  5. Step 5: Solve for x
    x = 4,882,886.11/2,746.39
  6. Step 6: Final answer
    x = 1,777.93

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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.