Home / 3,116.64-4,301.10-1,857.36

Finding the Fourth Proportional to 3,116.64, 4,301.10 and 1,857.36

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Solution

The fourth proportional to 3,116.64, 4,301.10 and 1,857.36 is: 2,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.64 : 4,301.10 = 1,857.36 : x
  2. Step 2: Convert to fraction form
    3,116.64/4,301.10 = 1,857.36/x
  3. Step 3: Cross multiply
    3,116.64x = 4,301.10 × 1,857.36
  4. Step 4: Simplify right side
    3,116.64x = 7,988,691.10
  5. Step 5: Solve for x
    x = 7,988,691.10/3,116.64
  6. Step 6: Final answer
    x = 2,563.24

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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.