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Finding the Fourth Proportional to 3,001.66, 4,501.46 and 1,890.39

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Solution

The fourth proportional to 3,001.66, 4,501.46 and 1,890.39 is: 2,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.66 : 4,501.46 = 1,890.39 : x
  2. Step 2: Convert to fraction form
    3,001.66/4,501.46 = 1,890.39/x
  3. Step 3: Cross multiply
    3,001.66x = 4,501.46 × 1,890.39
  4. Step 4: Simplify right side
    3,001.66x = 8,509,508.60
  5. Step 5: Solve for x
    x = 8,509,508.60/3,001.66
  6. Step 6: Final answer
    x = 2,834.94

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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.