Home / 2,133.32-2,944.08-1,249.16

Finding the Fourth Proportional to 2,133.32, 2,944.08 and 1,249.16

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Solution

The fourth proportional to 2,133.32, 2,944.08 and 1,249.16 is: 1,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.32 : 2,944.08 = 1,249.16 : x
  2. Step 2: Convert to fraction form
    2,133.32/2,944.08 = 1,249.16/x
  3. Step 3: Cross multiply
    2,133.32x = 2,944.08 × 1,249.16
  4. Step 4: Simplify right side
    2,133.32x = 3,677,626.97
  5. Step 5: Solve for x
    x = 3,677,626.97/2,133.32
  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.