Home / 1,513.42-2,087.31-1,250.98

Finding the Fourth Proportional to 1,513.42, 2,087.31 and 1,250.98

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Solution

The fourth proportional to 1,513.42, 2,087.31 and 1,250.98 is: 1,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.42 : 2,087.31 = 1,250.98 : x
  2. Step 2: Convert to fraction form
    1,513.42/2,087.31 = 1,250.98/x
  3. Step 3: Cross multiply
    1,513.42x = 2,087.31 × 1,250.98
  4. Step 4: Simplify right side
    1,513.42x = 2,611,183.06
  5. Step 5: Solve for x
    x = 2,611,183.06/1,513.42
  6. Step 6: Final answer
    x = 1,725.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.