Home / 3,169.19-4,373.51-1,910.31

Finding the Fourth Proportional to 3,169.19, 4,373.51 and 1,910.31

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Solution

The fourth proportional to 3,169.19, 4,373.51 and 1,910.31 is: 2,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.19 : 4,373.51 = 1,910.31 : x
  2. Step 2: Convert to fraction form
    3,169.19/4,373.51 = 1,910.31/x
  3. Step 3: Cross multiply
    3,169.19x = 4,373.51 × 1,910.31
  4. Step 4: Simplify right side
    3,169.19x = 8,354,750.34
  5. Step 5: Solve for x
    x = 8,354,750.34/3,169.19
  6. Step 6: Final answer
    x = 2,636.25

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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.