Home / 3,606.32-4,975.95-2,190.75

Finding the Fourth Proportional to 3,606.32, 4,975.95 and 2,190.75

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Solution

The fourth proportional to 3,606.32, 4,975.95 and 2,190.75 is: 3,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.32 : 4,975.95 = 2,190.75 : x
  2. Step 2: Convert to fraction form
    3,606.32/4,975.95 = 2,190.75/x
  3. Step 3: Cross multiply
    3,606.32x = 4,975.95 × 2,190.75
  4. Step 4: Simplify right side
    3,606.32x = 10,901,062.46
  5. Step 5: Solve for x
    x = 10,901,062.46/3,606.32
  6. Step 6: Final answer
    x = 3,022.77

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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.