Home / 2,977.55-4,109.01-1,651.26

Finding the Fourth Proportional to 2,977.55, 4,109.01 and 1,651.26

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Solution

The fourth proportional to 2,977.55, 4,109.01 and 1,651.26 is: 2,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.55 : 4,109.01 = 1,651.26 : x
  2. Step 2: Convert to fraction form
    2,977.55/4,109.01 = 1,651.26/x
  3. Step 3: Cross multiply
    2,977.55x = 4,109.01 × 1,651.26
  4. Step 4: Simplify right side
    2,977.55x = 6,785,027.69
  5. Step 5: Solve for x
    x = 6,785,027.69/2,977.55
  6. Step 6: Final answer
    x = 2,278.73

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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.