Home / 3,511.98-4,847.04-3,215.52

Finding the Fourth Proportional to 3,511.98, 4,847.04 and 3,215.52

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Solution

The fourth proportional to 3,511.98, 4,847.04 and 3,215.52 is: 4,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.98 : 4,847.04 = 3,215.52 : x
  2. Step 2: Convert to fraction form
    3,511.98/4,847.04 = 3,215.52/x
  3. Step 3: Cross multiply
    3,511.98x = 4,847.04 × 3,215.52
  4. Step 4: Simplify right side
    3,511.98x = 15,585,754.06
  5. Step 5: Solve for x
    x = 15,585,754.06/3,511.98
  6. Step 6: Final answer
    x = 4,437.88

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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.