Home / 3,087.58-4,261.26-1,761.76

Finding the Fourth Proportional to 3,087.58, 4,261.26 and 1,761.76

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Solution

The fourth proportional to 3,087.58, 4,261.26 and 1,761.76 is: 2,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.58 : 4,261.26 = 1,761.76 : x
  2. Step 2: Convert to fraction form
    3,087.58/4,261.26 = 1,761.76/x
  3. Step 3: Cross multiply
    3,087.58x = 4,261.26 × 1,761.76
  4. Step 4: Simplify right side
    3,087.58x = 7,507,317.42
  5. Step 5: Solve for x
    x = 7,507,317.42/3,087.58
  6. Step 6: Final answer
    x = 2,431.46

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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.