Home / 3,109.60-4,663.73-1,029.11

Finding the Fourth Proportional to 3,109.60, 4,663.73 and 1,029.11

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Solution

The fourth proportional to 3,109.60, 4,663.73 and 1,029.11 is: 1,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.60 : 4,663.73 = 1,029.11 : x
  2. Step 2: Convert to fraction form
    3,109.60/4,663.73 = 1,029.11/x
  3. Step 3: Cross multiply
    3,109.60x = 4,663.73 × 1,029.11
  4. Step 4: Simplify right side
    3,109.60x = 4,799,491.18
  5. Step 5: Solve for x
    x = 4,799,491.18/3,109.60
  6. Step 6: Final answer
    x = 1,543.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.