Home / 2,180.90-3,009.94-1,482.50

Finding the Fourth Proportional to 2,180.90, 3,009.94 and 1,482.50

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Solution

The fourth proportional to 2,180.90, 3,009.94 and 1,482.50 is: 2,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.90 : 3,009.94 = 1,482.50 : x
  2. Step 2: Convert to fraction form
    2,180.90/3,009.94 = 1,482.50/x
  3. Step 3: Cross multiply
    2,180.90x = 3,009.94 × 1,482.50
  4. Step 4: Simplify right side
    2,180.90x = 4,462,236.05
  5. Step 5: Solve for x
    x = 4,462,236.05/2,180.90
  6. Step 6: Final answer
    x = 2,046.05

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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.