Home / 1,958.57-2,702.81-1,074.36

Finding the Fourth Proportional to 1,958.57, 2,702.81 and 1,074.36

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Solution

The fourth proportional to 1,958.57, 2,702.81 and 1,074.36 is: 1,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.57 : 2,702.81 = 1,074.36 : x
  2. Step 2: Convert to fraction form
    1,958.57/2,702.81 = 1,074.36/x
  3. Step 3: Cross multiply
    1,958.57x = 2,702.81 × 1,074.36
  4. Step 4: Simplify right side
    1,958.57x = 2,903,777.44
  5. Step 5: Solve for x
    x = 2,903,777.44/1,958.57
  6. Step 6: Final answer
    x = 1,482.60

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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.