Home / 2,930.86-4,044.96-1,672.36

Finding the Fourth Proportional to 2,930.86, 4,044.96 and 1,672.36

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Solution

The fourth proportional to 2,930.86, 4,044.96 and 1,672.36 is: 2,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.86 : 4,044.96 = 1,672.36 : x
  2. Step 2: Convert to fraction form
    2,930.86/4,044.96 = 1,672.36/x
  3. Step 3: Cross multiply
    2,930.86x = 4,044.96 × 1,672.36
  4. Step 4: Simplify right side
    2,930.86x = 6,764,629.31
  5. Step 5: Solve for x
    x = 6,764,629.31/2,930.86
  6. Step 6: Final answer
    x = 2,308.07

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1.5x scale

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.