Home / 3,935.46-5,903.19-1,984.98

Finding the Fourth Proportional to 3,935.46, 5,903.19 and 1,984.98

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Solution

The fourth proportional to 3,935.46, 5,903.19 and 1,984.98 is: 2,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.46 : 5,903.19 = 1,984.98 : x
  2. Step 2: Convert to fraction form
    3,935.46/5,903.19 = 1,984.98/x
  3. Step 3: Cross multiply
    3,935.46x = 5,903.19 × 1,984.98
  4. Step 4: Simplify right side
    3,935.46x = 11,717,714.09
  5. Step 5: Solve for x
    x = 11,717,714.09/3,935.46
  6. Step 6: Final answer
    x = 2,977.47

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.