Home / 2,795.45-4,190.74-1,407.61

Finding the Fourth Proportional to 2,795.45, 4,190.74 and 1,407.61

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Solution

The fourth proportional to 2,795.45, 4,190.74 and 1,407.61 is: 2,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.45 : 4,190.74 = 1,407.61 : x
  2. Step 2: Convert to fraction form
    2,795.45/4,190.74 = 1,407.61/x
  3. Step 3: Cross multiply
    2,795.45x = 4,190.74 × 1,407.61
  4. Step 4: Simplify right side
    2,795.45x = 5,898,929.25
  5. Step 5: Solve for x
    x = 5,898,929.25/2,795.45
  6. Step 6: Final answer
    x = 2,110.19

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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.