Home / 2,926.72-4,037.52-1,684

Finding the Fourth Proportional to 2,926.72, 4,037.52 and 1,684

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Solution

The fourth proportional to 2,926.72, 4,037.52 and 1,684 is: 2,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.72 : 4,037.52 = 1,684 : x
  2. Step 2: Convert to fraction form
    2,926.72/4,037.52 = 1,684/x
  3. Step 3: Cross multiply
    2,926.72x = 4,037.52 × 1,684
  4. Step 4: Simplify right side
    2,926.72x = 6,799,183.68
  5. Step 5: Solve for x
    x = 6,799,183.68/2,926.72
  6. Step 6: Final answer
    x = 2,323.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.