Home / 2,193.24-3,026.82-1,261.76

Finding the Fourth Proportional to 2,193.24, 3,026.82 and 1,261.76

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Solution

The fourth proportional to 2,193.24, 3,026.82 and 1,261.76 is: 1,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.24 : 3,026.82 = 1,261.76 : x
  2. Step 2: Convert to fraction form
    2,193.24/3,026.82 = 1,261.76/x
  3. Step 3: Cross multiply
    2,193.24x = 3,026.82 × 1,261.76
  4. Step 4: Simplify right side
    2,193.24x = 3,819,120.40
  5. Step 5: Solve for x
    x = 3,819,120.40/2,193.24
  6. Step 6: Final answer
    x = 1,741.31

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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.