Home / 3,087.98-4,261.31-1,762.11

Finding the Fourth Proportional to 3,087.98, 4,261.31 and 1,762.11

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Solution

The fourth proportional to 3,087.98, 4,261.31 and 1,762.11 is: 2,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.98 : 4,261.31 = 1,762.11 : x
  2. Step 2: Convert to fraction form
    3,087.98/4,261.31 = 1,762.11/x
  3. Step 3: Cross multiply
    3,087.98x = 4,261.31 × 1,762.11
  4. Step 4: Simplify right side
    3,087.98x = 7,508,896.96
  5. Step 5: Solve for x
    x = 7,508,896.96/3,087.98
  6. Step 6: Final answer
    x = 2,431.65

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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.