Home / 1,755.07-2,418.26-1,439.27

Finding the Fourth Proportional to 1,755.07, 2,418.26 and 1,439.27

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Solution

The fourth proportional to 1,755.07, 2,418.26 and 1,439.27 is: 1,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.07 : 2,418.26 = 1,439.27 : x
  2. Step 2: Convert to fraction form
    1,755.07/2,418.26 = 1,439.27/x
  3. Step 3: Cross multiply
    1,755.07x = 2,418.26 × 1,439.27
  4. Step 4: Simplify right side
    1,755.07x = 3,480,518.85
  5. Step 5: Solve for x
    x = 3,480,518.85/1,755.07
  6. Step 6: Final answer
    x = 1,983.13

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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.