Home / 3,460.56-5,187.90-1,382.02

Finding the Fourth Proportional to 3,460.56, 5,187.90 and 1,382.02

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Solution

The fourth proportional to 3,460.56, 5,187.90 and 1,382.02 is: 2,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.56 : 5,187.90 = 1,382.02 : x
  2. Step 2: Convert to fraction form
    3,460.56/5,187.90 = 1,382.02/x
  3. Step 3: Cross multiply
    3,460.56x = 5,187.90 × 1,382.02
  4. Step 4: Simplify right side
    3,460.56x = 7,169,781.56
  5. Step 5: Solve for x
    x = 7,169,781.56/3,460.56
  6. Step 6: Final answer
    x = 2,071.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.