Home / 2,133.36-2,943.95-1,249.25

Finding the Fourth Proportional to 2,133.36, 2,943.95 and 1,249.25

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Solution

The fourth proportional to 2,133.36, 2,943.95 and 1,249.25 is: 1,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.36 : 2,943.95 = 1,249.25 : x
  2. Step 2: Convert to fraction form
    2,133.36/2,943.95 = 1,249.25/x
  3. Step 3: Cross multiply
    2,133.36x = 2,943.95 × 1,249.25
  4. Step 4: Simplify right side
    2,133.36x = 3,677,708.57
  5. Step 5: Solve for x
    x = 3,677,708.57/2,133.36
  6. Step 6: Final answer
    x = 1,723.90

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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.