Home / 3,256.96-4,495.77-1,930.69

Finding the Fourth Proportional to 3,256.96, 4,495.77 and 1,930.69

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Solution

The fourth proportional to 3,256.96, 4,495.77 and 1,930.69 is: 2,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.96 : 4,495.77 = 1,930.69 : x
  2. Step 2: Convert to fraction form
    3,256.96/4,495.77 = 1,930.69/x
  3. Step 3: Cross multiply
    3,256.96x = 4,495.77 × 1,930.69
  4. Step 4: Simplify right side
    3,256.96x = 8,679,938.18
  5. Step 5: Solve for x
    x = 8,679,938.18/3,256.96
  6. Step 6: Final answer
    x = 2,665.04

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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.