Home / 3,994.18-5,989.10-1,800.34

Finding the Fourth Proportional to 3,994.18, 5,989.10 and 1,800.34

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Solution

The fourth proportional to 3,994.18, 5,989.10 and 1,800.34 is: 2,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.18 : 5,989.10 = 1,800.34 : x
  2. Step 2: Convert to fraction form
    3,994.18/5,989.10 = 1,800.34/x
  3. Step 3: Cross multiply
    3,994.18x = 5,989.10 × 1,800.34
  4. Step 4: Simplify right side
    3,994.18x = 10,782,386.35
  5. Step 5: Solve for x
    x = 10,782,386.35/3,994.18
  6. Step 6: Final answer
    x = 2,699.53

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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.