Home / 1,455.54-2,180.88-1,166.38

Finding the Fourth Proportional to 1,455.54, 2,180.88 and 1,166.38

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Solution

The fourth proportional to 1,455.54, 2,180.88 and 1,166.38 is: 1,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.54 : 2,180.88 = 1,166.38 : x
  2. Step 2: Convert to fraction form
    1,455.54/2,180.88 = 1,166.38/x
  3. Step 3: Cross multiply
    1,455.54x = 2,180.88 × 1,166.38
  4. Step 4: Simplify right side
    1,455.54x = 2,543,734.81
  5. Step 5: Solve for x
    x = 2,543,734.81/1,455.54
  6. Step 6: Final answer
    x = 1,747.62

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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.