Home / 3,973.20-5,482.69-2,180.62

Finding the Fourth Proportional to 3,973.20, 5,482.69 and 2,180.62

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Solution

The fourth proportional to 3,973.20, 5,482.69 and 2,180.62 is: 3,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.20 : 5,482.69 = 2,180.62 : x
  2. Step 2: Convert to fraction form
    3,973.20/5,482.69 = 2,180.62/x
  3. Step 3: Cross multiply
    3,973.20x = 5,482.69 × 2,180.62
  4. Step 4: Simplify right side
    3,973.20x = 11,955,664.87
  5. Step 5: Solve for x
    x = 11,955,664.87/3,973.20
  6. Step 6: Final answer
    x = 3,009.08

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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.