Home / 2,177.51-3,270.46-1,865.86

Finding the Fourth Proportional to 2,177.51, 3,270.46 and 1,865.86

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Solution

The fourth proportional to 2,177.51, 3,270.46 and 1,865.86 is: 2,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.51 : 3,270.46 = 1,865.86 : x
  2. Step 2: Convert to fraction form
    2,177.51/3,270.46 = 1,865.86/x
  3. Step 3: Cross multiply
    2,177.51x = 3,270.46 × 1,865.86
  4. Step 4: Simplify right side
    2,177.51x = 6,102,214.65
  5. Step 5: Solve for x
    x = 6,102,214.65/2,177.51
  6. Step 6: Final answer
    x = 2,802.39

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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.