Home / 3,666.87-5,498.69-1,356.75

Finding the Fourth Proportional to 3,666.87, 5,498.69 and 1,356.75

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Solution

The fourth proportional to 3,666.87, 5,498.69 and 1,356.75 is: 2,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.87 : 5,498.69 = 1,356.75 : x
  2. Step 2: Convert to fraction form
    3,666.87/5,498.69 = 1,356.75/x
  3. Step 3: Cross multiply
    3,666.87x = 5,498.69 × 1,356.75
  4. Step 4: Simplify right side
    3,666.87x = 7,460,340.87
  5. Step 5: Solve for x
    x = 7,460,340.87/3,666.87
  6. Step 6: Final answer
    x = 2,034.53

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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.