Home / 1,423.26-1,965.33-1,050.90

Finding the Fourth Proportional to 1,423.26, 1,965.33 and 1,050.90

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Solution

The fourth proportional to 1,423.26, 1,965.33 and 1,050.90 is: 1,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.26 : 1,965.33 = 1,050.90 : x
  2. Step 2: Convert to fraction form
    1,423.26/1,965.33 = 1,050.90/x
  3. Step 3: Cross multiply
    1,423.26x = 1,965.33 × 1,050.90
  4. Step 4: Simplify right side
    1,423.26x = 2,065,365.30
  5. Step 5: Solve for x
    x = 2,065,365.30/1,423.26
  6. Step 6: Final answer
    x = 1,451.15

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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.