Home / 1,958.46-2,702.64-1,074.21

Finding the Fourth Proportional to 1,958.46, 2,702.64 and 1,074.21

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Solution

The fourth proportional to 1,958.46, 2,702.64 and 1,074.21 is: 1,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.46 : 2,702.64 = 1,074.21 : x
  2. Step 2: Convert to fraction form
    1,958.46/2,702.64 = 1,074.21/x
  3. Step 3: Cross multiply
    1,958.46x = 2,702.64 × 1,074.21
  4. Step 4: Simplify right side
    1,958.46x = 2,903,202.91
  5. Step 5: Solve for x
    x = 2,903,202.91/1,958.46
  6. Step 6: Final answer
    x = 1,482.39

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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.