Home / 3,699.37-5,550.18-1,618.39

Finding the Fourth Proportional to 3,699.37, 5,550.18 and 1,618.39

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Solution

The fourth proportional to 3,699.37, 5,550.18 and 1,618.39 is: 2,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.37 : 5,550.18 = 1,618.39 : x
  2. Step 2: Convert to fraction form
    3,699.37/5,550.18 = 1,618.39/x
  3. Step 3: Cross multiply
    3,699.37x = 5,550.18 × 1,618.39
  4. Step 4: Simplify right side
    3,699.37x = 8,982,355.81
  5. Step 5: Solve for x
    x = 8,982,355.81/3,699.37
  6. Step 6: Final answer
    x = 2,428.08

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1.5x scale

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.