Home / 1,544.82-2,132.70-1,021.76

Finding the Fourth Proportional to 1,544.82, 2,132.70 and 1,021.76

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Solution

The fourth proportional to 1,544.82, 2,132.70 and 1,021.76 is: 1,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.82 : 2,132.70 = 1,021.76 : x
  2. Step 2: Convert to fraction form
    1,544.82/2,132.70 = 1,021.76/x
  3. Step 3: Cross multiply
    1,544.82x = 2,132.70 × 1,021.76
  4. Step 4: Simplify right side
    1,544.82x = 2,179,107.55
  5. Step 5: Solve for x
    x = 2,179,107.55/1,544.82
  6. Step 6: Final answer
    x = 1,410.59

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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.