Home / 3,707.36-5,121.49-2,960.34

Finding the Fourth Proportional to 3,707.36, 5,121.49 and 2,960.34

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Solution

The fourth proportional to 3,707.36, 5,121.49 and 2,960.34 is: 4,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.36 : 5,121.49 = 2,960.34 : x
  2. Step 2: Convert to fraction form
    3,707.36/5,121.49 = 2,960.34/x
  3. Step 3: Cross multiply
    3,707.36x = 5,121.49 × 2,960.34
  4. Step 4: Simplify right side
    3,707.36x = 15,161,351.71
  5. Step 5: Solve for x
    x = 15,161,351.71/3,707.36
  6. Step 6: Final answer
    x = 4,089.53

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Half scale
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Double scale
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Similar ratio
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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.