Home / 3,630.14-5,008.41-2,117.36

Finding the Fourth Proportional to 3,630.14, 5,008.41 and 2,117.36

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Solution

The fourth proportional to 3,630.14, 5,008.41 and 2,117.36 is: 2,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.14 : 5,008.41 = 2,117.36 : x
  2. Step 2: Convert to fraction form
    3,630.14/5,008.41 = 2,117.36/x
  3. Step 3: Cross multiply
    3,630.14x = 5,008.41 × 2,117.36
  4. Step 4: Simplify right side
    3,630.14x = 10,604,607.00
  5. Step 5: Solve for x
    x = 10,604,607.00/3,630.14
  6. Step 6: Final answer
    x = 2,921.27

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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.