Home / 3,482.12-4,805.28-1,910.21

Finding the Fourth Proportional to 3,482.12, 4,805.28 and 1,910.21

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Solution

The fourth proportional to 3,482.12, 4,805.28 and 1,910.21 is: 2,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.12 : 4,805.28 = 1,910.21 : x
  2. Step 2: Convert to fraction form
    3,482.12/4,805.28 = 1,910.21/x
  3. Step 3: Cross multiply
    3,482.12x = 4,805.28 × 1,910.21
  4. Step 4: Simplify right side
    3,482.12x = 9,179,102.28
  5. Step 5: Solve for x
    x = 9,179,102.28/3,482.12
  6. Step 6: Final answer
    x = 2,636.07

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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.