Home / 4,109.13-5,671.26-2,617.65

Finding the Fourth Proportional to 4,109.13, 5,671.26 and 2,617.65

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Solution

The fourth proportional to 4,109.13, 5,671.26 and 2,617.65 is: 3,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.13 : 5,671.26 = 2,617.65 : x
  2. Step 2: Convert to fraction form
    4,109.13/5,671.26 = 2,617.65/x
  3. Step 3: Cross multiply
    4,109.13x = 5,671.26 × 2,617.65
  4. Step 4: Simplify right side
    4,109.13x = 14,845,373.74
  5. Step 5: Solve for x
    x = 14,845,373.74/4,109.13
  6. Step 6: Final answer
    x = 3,612.78

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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.