Home / 3,746.87-5,620.32-1,666.38

Finding the Fourth Proportional to 3,746.87, 5,620.32 and 1,666.38

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Solution

The fourth proportional to 3,746.87, 5,620.32 and 1,666.38 is: 2,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.87 : 5,620.32 = 1,666.38 : x
  2. Step 2: Convert to fraction form
    3,746.87/5,620.32 = 1,666.38/x
  3. Step 3: Cross multiply
    3,746.87x = 5,620.32 × 1,666.38
  4. Step 4: Simplify right side
    3,746.87x = 9,365,588.84
  5. Step 5: Solve for x
    x = 9,365,588.84/3,746.87
  6. Step 6: Final answer
    x = 2,499.58

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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.