Home / 3,606.77-4,976.70-2,190.17

Finding the Fourth Proportional to 3,606.77, 4,976.70 and 2,190.17

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Solution

The fourth proportional to 3,606.77, 4,976.70 and 2,190.17 is: 3,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.77 : 4,976.70 = 2,190.17 : x
  2. Step 2: Convert to fraction form
    3,606.77/4,976.70 = 2,190.17/x
  3. Step 3: Cross multiply
    3,606.77x = 4,976.70 × 2,190.17
  4. Step 4: Simplify right side
    3,606.77x = 10,899,831.48
  5. Step 5: Solve for x
    x = 10,899,831.48/3,606.77
  6. Step 6: Final answer
    x = 3,022.05

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Double scale
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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.