Home / 3,752.67-5,629.59-1,155

Finding the Fourth Proportional to 3,752.67, 5,629.59 and 1,155

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Solution

The fourth proportional to 3,752.67, 5,629.59 and 1,155 is: 1,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.67 : 5,629.59 = 1,155 : x
  2. Step 2: Convert to fraction form
    3,752.67/5,629.59 = 1,155/x
  3. Step 3: Cross multiply
    3,752.67x = 5,629.59 × 1,155
  4. Step 4: Simplify right side
    3,752.67x = 6,502,176.45
  5. Step 5: Solve for x
    x = 6,502,176.45/3,752.67
  6. Step 6: Final answer
    x = 1,732.68

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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.