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Finding the Fourth Proportional to 3,366.88, 4,645 and 2,040.10

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Solution

The fourth proportional to 3,366.88, 4,645 and 2,040.10 is: 2,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.88 : 4,645 = 2,040.10 : x
  2. Step 2: Convert to fraction form
    3,366.88/4,645 = 2,040.10/x
  3. Step 3: Cross multiply
    3,366.88x = 4,645 × 2,040.10
  4. Step 4: Simplify right side
    3,366.88x = 9,476,264.50
  5. Step 5: Solve for x
    x = 9,476,264.50/3,366.88
  6. Step 6: Final answer
    x = 2,814.55

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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.