Home / 3,678.01-5,077.29-2,186.41

Finding the Fourth Proportional to 3,678.01, 5,077.29 and 2,186.41

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Solution

The fourth proportional to 3,678.01, 5,077.29 and 2,186.41 is: 3,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.01 : 5,077.29 = 2,186.41 : x
  2. Step 2: Convert to fraction form
    3,678.01/5,077.29 = 2,186.41/x
  3. Step 3: Cross multiply
    3,678.01x = 5,077.29 × 2,186.41
  4. Step 4: Simplify right side
    3,678.01x = 11,101,037.63
  5. Step 5: Solve for x
    x = 11,101,037.63/3,678.01
  6. Step 6: Final answer
    x = 3,018.22

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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.