Home / 2,455.54-3,684.30-1,157.11

Finding the Fourth Proportional to 2,455.54, 3,684.30 and 1,157.11

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Solution

The fourth proportional to 2,455.54, 3,684.30 and 1,157.11 is: 1,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.54 : 3,684.30 = 1,157.11 : x
  2. Step 2: Convert to fraction form
    2,455.54/3,684.30 = 1,157.11/x
  3. Step 3: Cross multiply
    2,455.54x = 3,684.30 × 1,157.11
  4. Step 4: Simplify right side
    2,455.54x = 4,263,140.37
  5. Step 5: Solve for x
    x = 4,263,140.37/2,455.54
  6. Step 6: Final answer
    x = 1,736.13

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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.