Home / 1,524.21-2,103.75-1,261.77

Finding the Fourth Proportional to 1,524.21, 2,103.75 and 1,261.77

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Solution

The fourth proportional to 1,524.21, 2,103.75 and 1,261.77 is: 1,741.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.21 : 2,103.75 = 1,261.77 : x
  2. Step 2: Convert to fraction form
    1,524.21/2,103.75 = 1,261.77/x
  3. Step 3: Cross multiply
    1,524.21x = 2,103.75 × 1,261.77
  4. Step 4: Simplify right side
    1,524.21x = 2,654,448.64
  5. Step 5: Solve for x
    x = 2,654,448.64/1,524.21
  6. Step 6: Final answer
    x = 1,741.52

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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.