Home / 1,958.22-2,702.51-1,074.20

Finding the Fourth Proportional to 1,958.22, 2,702.51 and 1,074.20

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Solution

The fourth proportional to 1,958.22, 2,702.51 and 1,074.20 is: 1,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.22 : 2,702.51 = 1,074.20 : x
  2. Step 2: Convert to fraction form
    1,958.22/2,702.51 = 1,074.20/x
  3. Step 3: Cross multiply
    1,958.22x = 2,702.51 × 1,074.20
  4. Step 4: Simplify right side
    1,958.22x = 2,903,017.36
  5. Step 5: Solve for x
    x = 2,903,017.36/1,958.22
  6. Step 6: Final answer
    x = 1,482.48

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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.