Home / 3,418.60-5,127.54-1,110.10

Finding the Fourth Proportional to 3,418.60, 5,127.54 and 1,110.10

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Solution

The fourth proportional to 3,418.60, 5,127.54 and 1,110.10 is: 1,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.60 : 5,127.54 = 1,110.10 : x
  2. Step 2: Convert to fraction form
    3,418.60/5,127.54 = 1,110.10/x
  3. Step 3: Cross multiply
    3,418.60x = 5,127.54 × 1,110.10
  4. Step 4: Simplify right side
    3,418.60x = 5,692,082.15
  5. Step 5: Solve for x
    x = 5,692,082.15/3,418.60
  6. Step 6: Final answer
    x = 1,665.03

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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.