Home / 2,405.54-3,318.45-1,566.73

Finding the Fourth Proportional to 2,405.54, 3,318.45 and 1,566.73

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Solution

The fourth proportional to 2,405.54, 3,318.45 and 1,566.73 is: 2,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.54 : 3,318.45 = 1,566.73 : x
  2. Step 2: Convert to fraction form
    2,405.54/3,318.45 = 1,566.73/x
  3. Step 3: Cross multiply
    2,405.54x = 3,318.45 × 1,566.73
  4. Step 4: Simplify right side
    2,405.54x = 5,199,090.74
  5. Step 5: Solve for x
    x = 5,199,090.74/2,405.54
  6. Step 6: Final answer
    x = 2,161.30

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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.