Home / 2,009.35-2,772.79-1,263.07

Finding the Fourth Proportional to 2,009.35, 2,772.79 and 1,263.07

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Solution

The fourth proportional to 2,009.35, 2,772.79 and 1,263.07 is: 1,742.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.35 : 2,772.79 = 1,263.07 : x
  2. Step 2: Convert to fraction form
    2,009.35/2,772.79 = 1,263.07/x
  3. Step 3: Cross multiply
    2,009.35x = 2,772.79 × 1,263.07
  4. Step 4: Simplify right side
    2,009.35x = 3,502,227.87
  5. Step 5: Solve for x
    x = 3,502,227.87/2,009.35
  6. Step 6: Final answer
    x = 1,742.97

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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.