Home / 2,790.89-3,851.18-1,595.64

Finding the Fourth Proportional to 2,790.89, 3,851.18 and 1,595.64

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Solution

The fourth proportional to 2,790.89, 3,851.18 and 1,595.64 is: 2,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.89 : 3,851.18 = 1,595.64 : x
  2. Step 2: Convert to fraction form
    2,790.89/3,851.18 = 1,595.64/x
  3. Step 3: Cross multiply
    2,790.89x = 3,851.18 × 1,595.64
  4. Step 4: Simplify right side
    2,790.89x = 6,145,096.86
  5. Step 5: Solve for x
    x = 6,145,096.86/2,790.89
  6. Step 6: Final answer
    x = 2,201.84

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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.