Home / 3,116.56-4,300.96-1,719.44

Finding the Fourth Proportional to 3,116.56, 4,300.96 and 1,719.44

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Solution

The fourth proportional to 3,116.56, 4,300.96 and 1,719.44 is: 2,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.56 : 4,300.96 = 1,719.44 : x
  2. Step 2: Convert to fraction form
    3,116.56/4,300.96 = 1,719.44/x
  3. Step 3: Cross multiply
    3,116.56x = 4,300.96 × 1,719.44
  4. Step 4: Simplify right side
    3,116.56x = 7,395,242.66
  5. Step 5: Solve for x
    x = 7,395,242.66/3,116.56
  6. Step 6: Final answer
    x = 2,372.89

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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.