Home / 3,360.58-5,039.36-1,800.34

Finding the Fourth Proportional to 3,360.58, 5,039.36 and 1,800.34

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Solution

The fourth proportional to 3,360.58, 5,039.36 and 1,800.34 is: 2,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.58 : 5,039.36 = 1,800.34 : x
  2. Step 2: Convert to fraction form
    3,360.58/5,039.36 = 1,800.34/x
  3. Step 3: Cross multiply
    3,360.58x = 5,039.36 × 1,800.34
  4. Step 4: Simplify right side
    3,360.58x = 9,072,561.38
  5. Step 5: Solve for x
    x = 9,072,561.38/3,360.58
  6. Step 6: Final answer
    x = 2,699.70

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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.