Home / 1,482.13-2,046.06-985.60

Finding the Fourth Proportional to 1,482.13, 2,046.06 and 985.60

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Solution

The fourth proportional to 1,482.13, 2,046.06 and 985.60 is: 1,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.13 : 2,046.06 = 985.60 : x
  2. Step 2: Convert to fraction form
    1,482.13/2,046.06 = 985.60/x
  3. Step 3: Cross multiply
    1,482.13x = 2,046.06 × 985.60
  4. Step 4: Simplify right side
    1,482.13x = 2,016,596.74
  5. Step 5: Solve for x
    x = 2,016,596.74/1,482.13
  6. Step 6: Final answer
    x = 1,360.61

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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.