Home / 2,405.40-3,608.10-1,477.96

Finding the Fourth Proportional to 2,405.40, 3,608.10 and 1,477.96

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Solution

The fourth proportional to 2,405.40, 3,608.10 and 1,477.96 is: 2,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.40 : 3,608.10 = 1,477.96 : x
  2. Step 2: Convert to fraction form
    2,405.40/3,608.10 = 1,477.96/x
  3. Step 3: Cross multiply
    2,405.40x = 3,608.10 × 1,477.96
  4. Step 4: Simplify right side
    2,405.40x = 5,332,627.48
  5. Step 5: Solve for x
    x = 5,332,627.48/2,405.40
  6. Step 6: Final answer
    x = 2,216.94

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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.