Home / 2,127.08-3,187.70-1,606.64

Finding the Fourth Proportional to 2,127.08, 3,187.70 and 1,606.64

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Solution

The fourth proportional to 2,127.08, 3,187.70 and 1,606.64 is: 2,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.08 : 3,187.70 = 1,606.64 : x
  2. Step 2: Convert to fraction form
    2,127.08/3,187.70 = 1,606.64/x
  3. Step 3: Cross multiply
    2,127.08x = 3,187.70 × 1,606.64
  4. Step 4: Simplify right side
    2,127.08x = 5,121,486.33
  5. Step 5: Solve for x
    x = 5,121,486.33/2,127.08
  6. Step 6: Final answer
    x = 2,407.75

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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.