Home / 3,663.32-5,055.37-1,984.77

Finding the Fourth Proportional to 3,663.32, 5,055.37 and 1,984.77

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Solution

The fourth proportional to 3,663.32, 5,055.37 and 1,984.77 is: 2,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.32 : 5,055.37 = 1,984.77 : x
  2. Step 2: Convert to fraction form
    3,663.32/5,055.37 = 1,984.77/x
  3. Step 3: Cross multiply
    3,663.32x = 5,055.37 × 1,984.77
  4. Step 4: Simplify right side
    3,663.32x = 10,033,730.24
  5. Step 5: Solve for x
    x = 10,033,730.24/3,663.32
  6. Step 6: Final answer
    x = 2,738.97

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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.