Home / 2,187.24-3,277.32-1,090.48

Finding the Fourth Proportional to 2,187.24, 3,277.32 and 1,090.48

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Solution

The fourth proportional to 2,187.24, 3,277.32 and 1,090.48 is: 1,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.24 : 3,277.32 = 1,090.48 : x
  2. Step 2: Convert to fraction form
    2,187.24/3,277.32 = 1,090.48/x
  3. Step 3: Cross multiply
    2,187.24x = 3,277.32 × 1,090.48
  4. Step 4: Simplify right side
    2,187.24x = 3,573,851.91
  5. Step 5: Solve for x
    x = 3,573,851.91/2,187.24
  6. Step 6: Final answer
    x = 1,633.96

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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.