Home / 1,418.39-2,126.82-1,254.25

Finding the Fourth Proportional to 1,418.39, 2,126.82 and 1,254.25

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Solution

The fourth proportional to 1,418.39, 2,126.82 and 1,254.25 is: 1,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.39 : 2,126.82 = 1,254.25 : x
  2. Step 2: Convert to fraction form
    1,418.39/2,126.82 = 1,254.25/x
  3. Step 3: Cross multiply
    1,418.39x = 2,126.82 × 1,254.25
  4. Step 4: Simplify right side
    1,418.39x = 2,667,563.99
  5. Step 5: Solve for x
    x = 2,667,563.99/1,418.39
  6. Step 6: Final answer
    x = 1,880.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.