Home / 4,101.84-5,657.49-3,215.88

Finding the Fourth Proportional to 4,101.84, 5,657.49 and 3,215.88

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Solution

The fourth proportional to 4,101.84, 5,657.49 and 3,215.88 is: 4,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.84 : 5,657.49 = 3,215.88 : x
  2. Step 2: Convert to fraction form
    4,101.84/5,657.49 = 3,215.88/x
  3. Step 3: Cross multiply
    4,101.84x = 5,657.49 × 3,215.88
  4. Step 4: Simplify right side
    4,101.84x = 18,193,808.94
  5. Step 5: Solve for x
    x = 18,193,808.94/4,101.84
  6. Step 6: Final answer
    x = 4,435.52

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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.