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Finding the Fourth Proportional to 3,482.88, 4,804.56 and 2,820.48

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Solution

The fourth proportional to 3,482.88, 4,804.56 and 2,820.48 is: 3,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.88 : 4,804.56 = 2,820.48 : x
  2. Step 2: Convert to fraction form
    3,482.88/4,804.56 = 2,820.48/x
  3. Step 3: Cross multiply
    3,482.88x = 4,804.56 × 2,820.48
  4. Step 4: Simplify right side
    3,482.88x = 13,551,165.39
  5. Step 5: Solve for x
    x = 13,551,165.39/3,482.88
  6. Step 6: Final answer
    x = 3,890.79

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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.