Home / 2,790.59-3,851.09-1,595.78

Finding the Fourth Proportional to 2,790.59, 3,851.09 and 1,595.78

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Solution

The fourth proportional to 2,790.59, 3,851.09 and 1,595.78 is: 2,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.59 : 3,851.09 = 1,595.78 : x
  2. Step 2: Convert to fraction form
    2,790.59/3,851.09 = 1,595.78/x
  3. Step 3: Cross multiply
    2,790.59x = 3,851.09 × 1,595.78
  4. Step 4: Simplify right side
    2,790.59x = 6,145,483.74
  5. Step 5: Solve for x
    x = 6,145,483.74/2,790.59
  6. Step 6: Final answer
    x = 2,202.22

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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.