Home / 2,400.72-3,608.40-1,754.34

Finding the Fourth Proportional to 2,400.72, 3,608.40 and 1,754.34

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Solution

The fourth proportional to 2,400.72, 3,608.40 and 1,754.34 is: 2,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.72 : 3,608.40 = 1,754.34 : x
  2. Step 2: Convert to fraction form
    2,400.72/3,608.40 = 1,754.34/x
  3. Step 3: Cross multiply
    2,400.72x = 3,608.40 × 1,754.34
  4. Step 4: Simplify right side
    2,400.72x = 6,330,360.46
  5. Step 5: Solve for x
    x = 6,330,360.46/2,400.72
  6. Step 6: Final answer
    x = 2,636.86

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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.