Home / 3,516.40-4,853.01-2,171.93

Finding the Fourth Proportional to 3,516.40, 4,853.01 and 2,171.93

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Solution

The fourth proportional to 3,516.40, 4,853.01 and 2,171.93 is: 2,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.40 : 4,853.01 = 2,171.93 : x
  2. Step 2: Convert to fraction form
    3,516.40/4,853.01 = 2,171.93/x
  3. Step 3: Cross multiply
    3,516.40x = 4,853.01 × 2,171.93
  4. Step 4: Simplify right side
    3,516.40x = 10,540,398.01
  5. Step 5: Solve for x
    x = 10,540,398.01/3,516.40
  6. Step 6: Final answer
    x = 2,997.50

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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.