Home / 3,256.48-4,493.80-1,929.92

Finding the Fourth Proportional to 3,256.48, 4,493.80 and 1,929.92

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Solution

The fourth proportional to 3,256.48, 4,493.80 and 1,929.92 is: 2,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.48 : 4,493.80 = 1,929.92 : x
  2. Step 2: Convert to fraction form
    3,256.48/4,493.80 = 1,929.92/x
  3. Step 3: Cross multiply
    3,256.48x = 4,493.80 × 1,929.92
  4. Step 4: Simplify right side
    3,256.48x = 8,672,674.50
  5. Step 5: Solve for x
    x = 8,672,674.50/3,256.48
  6. Step 6: Final answer
    x = 2,663.21

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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.