Home / 1,482.14-2,043.44-1,215.60

Finding the Fourth Proportional to 1,482.14, 2,043.44 and 1,215.60

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Solution

The fourth proportional to 1,482.14, 2,043.44 and 1,215.60 is: 1,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.14 : 2,043.44 = 1,215.60 : x
  2. Step 2: Convert to fraction form
    1,482.14/2,043.44 = 1,215.60/x
  3. Step 3: Cross multiply
    1,482.14x = 2,043.44 × 1,215.60
  4. Step 4: Simplify right side
    1,482.14x = 2,484,005.66
  5. Step 5: Solve for x
    x = 2,484,005.66/1,482.14
  6. Step 6: Final answer
    x = 1,675.96

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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.