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Finding the Fourth Proportional to 2,030.41, 3,045.61 and 491.41

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Solution

The fourth proportional to 2,030.41, 3,045.61 and 491.41 is: 737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.41 : 3,045.61 = 491.41 : x
  2. Step 2: Convert to fraction form
    2,030.41/3,045.61 = 491.41/x
  3. Step 3: Cross multiply
    2,030.41x = 3,045.61 × 491.41
  4. Step 4: Simplify right side
    2,030.41x = 1,496,636.21
  5. Step 5: Solve for x
    x = 1,496,636.21/2,030.41
  6. Step 6: Final answer
    x = 737.11

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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.