Home / 2,302.41-3,470.45-2,105.20

Finding the Fourth Proportional to 2,302.41, 3,470.45 and 2,105.20

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Solution

The fourth proportional to 2,302.41, 3,470.45 and 2,105.20 is: 3,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.41 : 3,470.45 = 2,105.20 : x
  2. Step 2: Convert to fraction form
    2,302.41/3,470.45 = 2,105.20/x
  3. Step 3: Cross multiply
    2,302.41x = 3,470.45 × 2,105.20
  4. Step 4: Simplify right side
    2,302.41x = 7,305,991.34
  5. Step 5: Solve for x
    x = 7,305,991.34/2,302.41
  6. Step 6: Final answer
    x = 3,173.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.