Home / 2,726.65-4,084.14-1,318.93

Finding the Fourth Proportional to 2,726.65, 4,084.14 and 1,318.93

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Solution

The fourth proportional to 2,726.65, 4,084.14 and 1,318.93 is: 1,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.65 : 4,084.14 = 1,318.93 : x
  2. Step 2: Convert to fraction form
    2,726.65/4,084.14 = 1,318.93/x
  3. Step 3: Cross multiply
    2,726.65x = 4,084.14 × 1,318.93
  4. Step 4: Simplify right side
    2,726.65x = 5,386,705.06
  5. Step 5: Solve for x
    x = 5,386,705.06/2,726.65
  6. Step 6: Final answer
    x = 1,975.58

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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.