Home / 1,755.49-2,426.06-1,440.27

Finding the Fourth Proportional to 1,755.49, 2,426.06 and 1,440.27

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Solution

The fourth proportional to 1,755.49, 2,426.06 and 1,440.27 is: 1,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.49 : 2,426.06 = 1,440.27 : x
  2. Step 2: Convert to fraction form
    1,755.49/2,426.06 = 1,440.27/x
  3. Step 3: Cross multiply
    1,755.49x = 2,426.06 × 1,440.27
  4. Step 4: Simplify right side
    1,755.49x = 3,494,181.44
  5. Step 5: Solve for x
    x = 3,494,181.44/1,755.49
  6. Step 6: Final answer
    x = 1,990.43

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1.5x scale

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.