Home / 1,444.82-2,156.78-1,269.66

Finding the Fourth Proportional to 1,444.82, 2,156.78 and 1,269.66

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Solution

The fourth proportional to 1,444.82, 2,156.78 and 1,269.66 is: 1,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.82 : 2,156.78 = 1,269.66 : x
  2. Step 2: Convert to fraction form
    1,444.82/2,156.78 = 1,269.66/x
  3. Step 3: Cross multiply
    1,444.82x = 2,156.78 × 1,269.66
  4. Step 4: Simplify right side
    1,444.82x = 2,738,377.29
  5. Step 5: Solve for x
    x = 2,738,377.29/1,444.82
  6. Step 6: Final answer
    x = 1,895.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.