Home / 2,854.28-3,939.30-1,735.68

Finding the Fourth Proportional to 2,854.28, 3,939.30 and 1,735.68

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Solution

The fourth proportional to 2,854.28, 3,939.30 and 1,735.68 is: 2,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.28 : 3,939.30 = 1,735.68 : x
  2. Step 2: Convert to fraction form
    2,854.28/3,939.30 = 1,735.68/x
  3. Step 3: Cross multiply
    2,854.28x = 3,939.30 × 1,735.68
  4. Step 4: Simplify right side
    2,854.28x = 6,837,364.22
  5. Step 5: Solve for x
    x = 6,837,364.22/2,854.28
  6. Step 6: Final answer
    x = 2,395.48

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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.