Home / 2,617.63-3,610.31-1,909.35

Finding the Fourth Proportional to 2,617.63, 3,610.31 and 1,909.35

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Solution

The fourth proportional to 2,617.63, 3,610.31 and 1,909.35 is: 2,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.63 : 3,610.31 = 1,909.35 : x
  2. Step 2: Convert to fraction form
    2,617.63/3,610.31 = 1,909.35/x
  3. Step 3: Cross multiply
    2,617.63x = 3,610.31 × 1,909.35
  4. Step 4: Simplify right side
    2,617.63x = 6,893,335.85
  5. Step 5: Solve for x
    x = 6,893,335.85/2,617.63
  6. Step 6: Final answer
    x = 2,633.43

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1.5x scale

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.