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Finding the Fourth Proportional to 3,780.12, 5,655.06 and 3,364.44

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Solution

The fourth proportional to 3,780.12, 5,655.06 and 3,364.44 is: 5,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.12 : 5,655.06 = 3,364.44 : x
  2. Step 2: Convert to fraction form
    3,780.12/5,655.06 = 3,364.44/x
  3. Step 3: Cross multiply
    3,780.12x = 5,655.06 × 3,364.44
  4. Step 4: Simplify right side
    3,780.12x = 19,026,110.07
  5. Step 5: Solve for x
    x = 19,026,110.07/3,780.12
  6. Step 6: Final answer
    x = 5,033.20

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1.5x scale

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.