Home / 2,157.39-2,976.07-1,632.51

Finding the Fourth Proportional to 2,157.39, 2,976.07 and 1,632.51

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Solution

The fourth proportional to 2,157.39, 2,976.07 and 1,632.51 is: 2,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.39 : 2,976.07 = 1,632.51 : x
  2. Step 2: Convert to fraction form
    2,157.39/2,976.07 = 1,632.51/x
  3. Step 3: Cross multiply
    2,157.39x = 2,976.07 × 1,632.51
  4. Step 4: Simplify right side
    2,157.39x = 4,858,464.04
  5. Step 5: Solve for x
    x = 4,858,464.04/2,157.39
  6. Step 6: Final answer
    x = 2,252.01

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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.