Home / 2,009.13-2,773.92-1,224.51

Finding the Fourth Proportional to 2,009.13, 2,773.92 and 1,224.51

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Solution

The fourth proportional to 2,009.13, 2,773.92 and 1,224.51 is: 1,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.13 : 2,773.92 = 1,224.51 : x
  2. Step 2: Convert to fraction form
    2,009.13/2,773.92 = 1,224.51/x
  3. Step 3: Cross multiply
    2,009.13x = 2,773.92 × 1,224.51
  4. Step 4: Simplify right side
    2,009.13x = 3,396,692.78
  5. Step 5: Solve for x
    x = 3,396,692.78/2,009.13
  6. Step 6: Final answer
    x = 1,690.63

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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.